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Imitrex

Imitrex is a high-quality medication which is taken in treatment of the symptoms of migraine headaches. Imitrex acts by narrowing blood vessels in the head and stopping pain signals from being sent to the brain. It is selective serotonin receptor agonists.

Other names for this medication:

Similar Products:
Axert, Relpax, Frova, Amerge, Migergot, Sansert, Frova, Maxalt-MLT, Amerge, Axert, Ergomar, Treximet, Maxalt, Relpax, Midrin, Cafergot, Zomig-ZMT, Migranal, D.H.E. 45, Epidrin, Zomig, Duradrin

 

Also known as:  Sumatriptan.

Description

Imitrex is a perfect remedy in struggle against the symptoms of migraine headaches.

Imitrex acts by narrowing blood vessels in the head and stopping pain signals from being sent to the brain. It is selective serotonin receptor agonists.

Imitrex is also known as Sumatriptan, Imigran.

Generic name of Imitrex is Sumatriptan.

Brand names of Imitrex are Imitrex, Imitrex nasal.

Dosage

Shake the liquid form of Imitrex before using.

Keep this remedy away from children and don't give it to other people for using.

Do not crush or chew it.

Use Imitrex once a day.

If you want to achieve most effective results do not stop taking Imitrex suddenly.

Overdose

If you overdose Imitrex and you don't feel good you should visit your doctor or health care provider immediately. Symptoms of Imitrex overdosage: breathing problems, blue-colored lips or fingernails, weakness, lack of coordination, shaking, convulsions, vision problems, skin redness, watery eyes or mouth.

Storage

Store at room temperature between 2 and 30 degrees C (36 and 86 degrees F) away from moisture and heat. Throw away any unused medicine after the expiration date. Keep out of the reach of children.

Side effects

The most common side effects associated with Imitrex are:

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Side effect occurrence does not only depend on medication you are taking, but also on your overall health and other factors.

Contraindications

Do not take Imitrex if you are allergic to Imitrex components or to aspirin.

Do not take Imitrex if you are pregnant, planning to become pregnant. Avoid breast-feeding.

Be careful with this medicine if you smoke, if you are postmenopausal, or if you are a man over 40.

Be careful using Imitrex if you take selective serotonin reuptake inhibitors (Ssris) such as citalopram (Celexa), escitalopram (Lexapro), fluoxetine (Prozac, Sarafem, in symbyax), fluvoxamine, paroxetine (Paxil), and sertraline (Zoloft); and selective serotonin/norepinephrine reuptake inhibitors (Snris) such as duloxetine (Cymbalta) and venlafaxine (Effexor).

It can be dangerous to use Imitrex if you suffer from or have a history of high blood pressure, angina (recurring chest pain), heart attack, high cholesterol, obesity, stroke, transient ischemic attack (mini-stroke), ischemic bowel disease, coronary artery disease, seizures, or blood vessel, kidney, or liver disease, heart disease, diabetes.

Avoid alcohol.

It can be dangerous to stop Imitrex taking suddenly.

imitrex 25mg tab

To investigate whether a needle-free system can deliver s.c. sumatriptan. If so, to examine whether needle-free administration is bioequivalent to a 26-gauge needle-based auto-injector. Lastly, to assess the needle-free system for clinical acceptability and ease of use during migraine attacks.

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Several sumatriptan subcutaneous autoinjector devices for acute treatment of migraine patients are available, each device differs with respect to design and features. Determining device preference and ease of use is important because patients experiencing a migraine attack are often functionally impaired.

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To investigate whether the incidence of epithelial defects during laser in situ keratomileusis (LASIK) was different in patients who were taking sumatriptan (Imitrex, Glaxo Smith Kline, Pittsburgh, Pa) for migraine headaches than in those who were not.

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Subcutaneous (s.c.) injection of sumatriptan is currently associated with needle aversion in some patients, and sharps disposal issues.

imitrex reviews patients

Two clinical trials. Study A: Pharmacokinetics and bioequivalence was studied in normal adult volunteers (n = 57 total), directly comparing needle-free (Sumavel DosePro) with needle-based (Imitrex STATdose System) administration of 6 mg s.c. sumatriptan. An incomplete, randomized, partial factorial, crossover design was used. Each subject received 2 administrations of each product, at 2 of the 3 anatomical sites (abdomen, thigh or arm). There were appropriate "washout" periods between each. Pharmacokinetic sampling was at standard time points, and tests for bioequivalence then followed. Study B: The term "ease of use" was used for clinical acceptability and utility of the needle-free system when it was assessed among 52 outpatients treating migraine attacks. Instructional materials were used as would be provided after ordinary prescription. The primary endpoint was successful use of the needle-free system to administer sumatriptan at the first attempt, including appropriate injection site selection. Second and subsequent uses of the needle-free system were also documented.

imitrex pill form

The recent publication of drug formularies by third-party payers has serious implications for the practice of medicine. These formularies list the medications for which the consumer can be reimbursed by the third-party payer. The most restrictive of the five formularies I have received lists only two agents for the treatment of migraine headaches: Cafergot (at an incorrect dose of 1/100 mg) and Ergotrate which is no longer available. The most liberal of the formularies lists analgesics, Cafergot, Midrin, and Imitrex for the treatment of acute attacks, and as prophylactic agents, Inderal, Sansert, and analgesics (known to cause rebound headaches when used in this fashion in migraine patients). Abortive agents of proven value, such as DHE-45 and NSAIDs, and preventative medications, such as calcium channel blockers, tricyclic antidepressants, serotonin reuptake inhibitors, methylergonovine, and divalproex sodium, are not available. No one could quarrel with a goal of developing a cost-effective formulary. However, the authors of these formularies have clearly demonstrated their inability to provide even a current, accurate, and adequate formulary by existent standards of care in the treatment of migraine headache. While it is easy to criticize these formularies, it is more difficult to develop a comprehensive list that would satisfy the practitioners' need to provide relief for their patients with a minimum of side effects, and the needs of third-party payers (presumed) to provide quality care at the most economical level.

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A number of important new pharmacologic agents in widespread clinical use share the ability of manipulate serotonin as their mechanism of action. Drugs as diverse as the antidepressants fluoxetine (Prozac), sertraline (Zoloft), paroxetine (Paxil), and venlafaxine (Effexor); the antimigraine agent sumatriptan (Imitrex); the antiobesity agent dexfenfluramine (Redux); and the antiemetics ondansetron (Zofran) and granisetron (Kytril) are routinely encountered in the perioperative patient. A thorough understanding of the pharmacology, physiologic effects, significant drug interactions and anesthetic implications of serotonin agonists or antagonists is vital for proper anesthetic management of patients receiving these drugs.

imitrex pediatric dosing

In the comparison with commercially available intranasal sumatriptan 20 mg, DFN-02 had a more rapid absorption profile; tmax was 15 minutes for DFN-02 monodose, 10.2 minutes for DFN-02 multidose, and 2.0 hours for commercially available intranasal sumatriptan 20 mg. Compared with 4 and 6 mg subcutaneous sumatriptan, DFN-02's median tmax (10 minutes) was significantly earlier (15 minutes; P < .0001). Mean sumatriptan exposure metrics were similar for DFN-02 and 4 mg sumatriptan: AUC0-2 : 35.12 and 44.82 ng*hour/mL, respectively; AUC0-∞ : 60.70 and 69.21 ng*hour/mL, respectively; Cmax : 51.79 and 49.07 ng/mL, respectively. With 6 mg subcutaneous sumatriptan, these exposure metrics were about 50% larger (AUC0-2 : 67.17 ng*hour/mL; AUC0-∞ : 103.78 ng*hour/mL; Cmax : 72.75 ng/mL). Inter-subject variability of AUC0-2 , AUC0-∞ , and Cmax was 42-58% for DFN-02, 15-22% for 4 mg subcutaneous sumatriptan, and 15-25% for 6 mg subcutaneous sumatriptan. DDM exposure was low (mean Cmax : 1.63 ng/mL), tmax was 30 minutes, and it was undetectable by 4 hours. There were no serious adverse events, discontinuations due to adverse events, or remarkable findings for vital signs, physical examinations (including nasal and injection site examinations), or clinical laboratory assessments. The overall incidence of adverse events was comparable across treatments, and all treatment-related events were mild in severity. Adverse events occurring in ≥10% of subjects were dysgeusia (19%), headache (18%), nausea (15%), paresthesia (15%), and dizziness (12%).

imitrex pill picture

Polypharmacy (the prescription of more than one therapy for a single patient) and subcutaneous (s.c.) sumatriptan tolerability were prospectively studied in 12,339 migraineurs, each followed for up to 1 year. Inclusion/exclusion criteria were minimal and mirrored United States Imitrex labeling. Drug usage and compliance monitoring were automatically interfaced with prescription refill. Concomitant drugs were used by 79% of patients, with analgesics, antidepressants, and sedatives used most commonly. No adverse interactions between sumatriptan and neurological drugs were found, possibly reflecting relative inability of the former to cross the blood-brain barrier. No difference in cardiovascular adverse events was associated with oral contraceptive use, which was more common than expected. No other drug class influenced adverse event probability, although sample sizes for these comparisons was sometimes <400 patients. This study confirms the prevalence of polypharmacy in migraine, identifies the drugs used, and concludes that, on a population basis, the tolerability of s.c. sumatriptan, when used according to labeled instructions, is unaffected by these concomitant drugs.

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A total of 54 subjects participated and each subject performed two simulated injections with each of the three devices. Most subjects preferred the two-step device (88.9%) to the three-step (13.0%) and the reloadable (1.9%). The two-step device had higher mean overall preference ratings (F (2, 159)=56.6, P<0.01) and higher ratings for ease of use, intuitiveness, convenience, portability, and control. The two-step device had a first injection full-dose delivery success rate of 44.4%, higher than both the reloadable (24.1%) and the three-step (3.7%) devices. The number of errors with the two-step device (n=3) was ~90% lower than the three-step (n=49) and reloadable (n=44) devices.

imitrex po dosing

Sumatriptan succinate (Imitrex) is a 5-HT (5-hydroxytryptamine) agonist used for relief of migraine symptoms. Some individuals experience short-lived side-effects, including heaviness of the limbs, chest heaviness and muscle aches and pains. The effects of this drug on skeletal muscle energy metabolism were studied during short submaximal isometric exercises. We studied ATP flux from anaerobic glycolysis (An Gly), the creatine kinase reaction (CK) and oxidative phosphorylation (Ox Phos) using 31P nuclear magnetic resonance spectroscopy (31P MRS) kinetic data collected during exercise. It was found that side-effects induced acutely by injection of 6 mg sumatriptan succinate s.c. were associated with reduced oxygen storage in peripheral skeletal muscle 5-20 min after injection as demonstrated by a transient reduction in mitochondrial function at end-exercise. These results suggest that mild vasoconstriction in peripheral skeletal muscle is associated with the action of sumatriptan and is likely to be the source of the side-effects experienced by some users. Migraine with aura patients were more susceptible to this effect than migraine without aura patients.

imitrex schedule drug

Each study subject performed two unaided simulated injections with each of three different drug delivery devices, which were presented in counterbalanced order. The participants were then asked to rate the three devices on various subjective measures. The primary end point was overall device preference using a visual analog scale.

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There is no correlation between the use of sumatriptan for relief of migraine headaches and the generation of epithelial defects during LASIK. There appears to be no reason to stop triptans before proceeding with LASIK.

imitrex user reviews

The migraine-specific triptans have revolutionized the treatment of migraine and are usually the drugs of choice to treat a migraine attack in progress. Sumatriptan (Imitrex) has been available for the longest time within the class, is most flexible in form and has been given successfully to the most number of patients. It is useful for the full range of attacks experienced by a migraine suffer. The aim of this review is to provide an overview of the first 10 years of the use of sumatriptan.

imitrex 100 mg

In healthy subjects, DFN-02, an intranasal spray containing 10 mg sumatriptan plus DDM, had a more rapid absorption profile than commercially available intranasal sumatriptan 20 mg, and systemic exposure from a single-dose administration of DFN-02 was similar to 4 mg SC sumatriptan and two-thirds that of 6 mg SC sumatriptan. With DFN-02, plasma sumatriptan peaked 5 minutes earlier than with both subcutaneous formulations. Systemic exposure to sumatriptan was similar with DFN-02 and 4 mg subcutaneous sumatriptan; both yielded lower systemic exposure than 6 mg subcutaneous sumatriptan. Systemic exposure to DFN-02's excipient DDM was short-lived. DFN-02's safety and tolerability appear to be comparable to subcutaneous sumatriptan. Addition of a permeation enhancer improved the absorption profile compared with commercially available intranasal sumatriptan 20 mg.

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There is evidence that serotonin may be implicated in the pathophysiology of myofascial pain (MFP). Because of this, we used oral sumatriptan (Imitrex, Glaxo), a peripherally acting agonist of 5-HT1D receptors, in a double-blind, randomized, placebo-controlled double crossover pilot study of 7 patients with episodic MFP of the temporalis muscles. The results showed that there was a significant reduction in pain intensity and increase in pain relief over time with both the active medication and the placebo, but no significant difference between treatments. All but 1 patient reported that they are not interested in retaking the same medication. These data suggest that oral sumatriptan may not be the drug of choice in the control of episodic MFP.

imitrex dosage directions

There were 295 evaluable patients. At 2 hours, 73.1% of the patients treated with dihydroergotamine and 85.3% of those treated with sumatriptan had relief (P = .002). There was no statistical difference in headache relief between the groups at 3 or 4 hours. Headache relief was achieved by 85.5% of those treated with dihydroergotamine and by 83.3% of those treated with sumatriptan by 4 hours. By 24 hours 89.7% of dihydroergotamine-treated patients and 76.7% of sumatriptan-treated patients had relief (P = .004). Headache recurred within 24 hours after treatment in 45% of the sumatriptan-treated patients and in 17.7% of the dihydroergotamine-treated patients (P < or = .001).

imitrex oral dosage

Both weight and BMI correlated negatively with each exposure metric for each treatment group. Across all treatment groups, AUC0-2 for subjects with BMI less than or equal to median value was 1.03-1.12 times the value for subjects with BMI more than median value. For subjects with BMI less than or equal to median value receiving DFN-11, median AUC0-2 was slightly less than that for subjects with BMI more than median value receiving Imitrex 4 mg and larger than that for subjects with BMI more than median value receiving Imitrex 3 mg. Results were similar for the other exposure metrics and for weight. Exposure was higher in women than in men, which can be attributed in part to differences in weight. There was no relationship between exposure and age. For DFN-11, AUC0-2 and AUC0-∞ were lower in nonwhites compared with whites; the ratio of median values was 0.84 and 0.89, respectively. A similar, nonstatistically significant, trend was observed in the other products (ratio of median values ranging from 0.84 to 0.89).

imitrex injection dose

Adults with migraine (n = 50) without 'medication overuse headache' were treated for up to 18 migraine attacks per 3-month study period with study medication; SNC during one study period and S/N during the other study period. For all endpoints, differences between treatments were compared with paired t tests.

imitrex po dosage

Practitioners can optimize the use of health care dollars without compromising quality of care through awareness of cost-saving treatment strategies, as well as price variations among medications.

imitrex 100mg tablet

Both sumatriptan and dihydroergotamine were effective in aborting migraine headaches. Headache recurrence was two and a half time as likely with sumatriptan as with dihydroergotamine.

imitrex 25 mg

The objective of this human factors study was to compare migraine patients' device use performance and preferences for three sumatriptan subcutaneous autoinjectors: a disposable two-step device (Zembrace(®) SymTouch(®)), a disposable three-step device (Sumavel(®) DosePro(®)), and a multistep reloadable device (Imitrex(®) STATdose(®)), using simulated injections.

imitrex drug interactions

Double-blind, randomized trial with parallel treatment arms.

imitrex dosage pediatric

We conducted three pharmacokinetic studies of subcutaneous sumatriptan in 98 healthy adults. Sumatriptan was administered subcutaneously (236 administrations) as either DFN-11 3 mg, a novel 0.5 mL autoinjector being developed by Dr. Reddy's Laboratories; Imitrex(®) (Sumatriptan) injection 3 mg or 6 mg (6 mg/0.5 mL); or Imitrex STATdose 4 mg or 6 mg (0.5 mL). Blood was sampled for 12 hours to determine sumatriptan Cp. Maximum Cp (Cmax), area under the curve during the first 2 hours (AUC0-2), and total area under the curve (AUC0-∞) were determined using noncompartmental methods. Post hoc analyses were conducted to determine the relationship between these exposure metrics and each of body weight, BMI, age, sex, and race (categorized as white, black, or others).

imitrex dosing instructions

Sumatriptan (Imitrex), a selective 5-hydroxytryptamine receptor agonist, has been found to be of therapeutic benefit in the acute management of migraine. There is no information on the transfer of this agent across the human placenta. Accordingly, the current study assessed the transport of this drug across the normal term human placenta, using the isolated perfused single cotyledon technique. We found that only about 15% of a single dose of the agent placed in the maternal reservoir crossed into the fetal compartment over 4 hr. Given the average elimination half-life of 2 hr for sumatriptan, it is evident that only very small amounts of the agent will cross from mother to fetus after single doses of Imitrex. Only the parent drug entered the fetal compartment. Metabolites were not detected in the perfusates, but there was evidence of some metabolism of sumatriptan in the placenta. The nature of the metabolites has not been determined. The mechanism of transfer of the drug across the placenta is passive (i.e., the clearance is similar to L-glucose which is passively transported), the rate of transfer is equal in both directions (maternal to fetal and in the reverse), and the drug does not cross into the fetus against a concentration gradient. This passive transport of sumatriptan across the placenta is consistent with its molecular weight, its water solubility, and its slow penetration across the blood-brain barrier in experimental animals.

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If you vomit with migraines, get full-blown migraines upon awakening, or want rapid relief without injections, consider a nasal spray. Options include triptans (zolmitriptan [Zomig] or sumatriptan [Imitrex]), DHE (Migranal), or an NSAID (Sprix).

imitrex daily dosage

Efficacy and tolerability profiles of Treximet [sumatriptan/naproxen sodium combination tablet (SNC)] have been established in clinical trials but have to date been virtually unstudied in pragmatic research. The primary objective of this study was to compare the overall satisfaction of SNC to its monotherapy components, S/N [one 100 mg Imitrex tablet (S) and two Aleve (naproxen sodium) 220 mg tablets, total dose 440 mg (N)] administered concomitantly using the Patient Perception of Migraine Questionnaire -Revised (PPMQ-R).

imitrex dosage instructions

In the sumatriptan group, 11.1% (6 of 54) of eyes developed epithelial defects as compared to 9.3% (5 of 54) of eyes in the non-triptan group (P=.75, chi square). More recent sumatriptan exposure did not increase the incidence of epithelial defect (P=.47). In patients in whom sumatriptan was stopped >1 month prior to LASIK, 6.3% (1 of 16 eyes) had epithelial defects; in patients in whom sumatriptan was stopped <1 month prior to LASIK, 14.3% (4 of 28 eyes) developed epithelial defects; and 9.3% (5 of 54 eyes) of patients in whom no triptans had ever been used had epithelial defects (P=.70).

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Sumatriptan and butorphanol nasal sprays are commonly used agents for the management of migraine headaches. Under certain circumstances, these two agents may be administered closely in time. However, the possibility of a pharmacokinetic interaction and the safety of this regime have not been examined. In this crossover design study, 24 healthy subjects received the following four treatments, each separated by at least 7 days: 1 mg butorphanol (Stadol NS7); 20 mg sumatriptan (Imitrex Nasal Spray); or both formulations together with butorphanol administered either 1 or 30 min after sumatriptan. Serial plasma samples were collected for 24 h post-dose and analysed for butorphanol and/or sumatriptan by HPLC-MS/MS. Butorphanol plasma concentrations were reduced when it was administered 1 min (mean 28.6% decrease in AUC(0-infinity)), but not 30 min, after sumatriptan. The pharmacokinetics of sumatriptan were not substantially altered by butorphanol. The combination of nasally administered sumatriptan and butorphanol appeared safe. However, if butorphanol nasal spray is administered <30 min after sumatriptan nasal spray, the analgesic effect of butorphanol may be diminished due to reduced nasal absorption resulting from probable transient vasoconstriction of nasal blood vessels by sumatriptan.

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imitrex dosing 2016-04-30

If you vomit with migraines, get full-blown migraines upon awakening, or want rapid relief without injections, buy imitrex consider a nasal spray. Options include triptans (zolmitriptan [Zomig] or sumatriptan [Imitrex]), DHE (Migranal), or an NSAID (Sprix).

imitrex 60 mg 2016-04-08

The efficacy and tolerability of subcutaneous (SC) sumatriptan administered with the IMITREX (sumatriptan succinate) STATdose System, which circumvents the need for patients or health care professionals to handle a syringe, were evaluated in two randomized, double-masked, parallel-group, placebo-controlled, multicenter studies. In the clinic, 158 adults with migraine diagnosed according to International Headache Society criteria received buy imitrex SC sumatriptan (6 mg) or placebo delivered with the IMITREX STATdose System for treatment of a migraine attack. By 120 minutes after SC dosing, 73% and 79% of sumatriptan-treated patients, compared with 28% and 37% of placebo-treated patients in studies 1 and 2, respectively, experienced headache relief (a statistically significant difference). Clinical disability scores 120 minutes after dosing showed that 75% and 85% of sumatriptan-treated patients, compared with 30% and 42% of placebo-treated patients, were normal or only mildly impaired (a statistically significant difference). Similar efficacy rates were observed for nausea, phonophobia, and photophobia. No serious or unusual adverse events occurred, and no clinically relevant abnormalities in laboratory test values were reported. Based on these results, we concluded that SC sumatriptan (6 mg) administered using the IMITREX STATdose System is effective for the treatment of migraine. The efficacy and tolerability profiles of SC sumatriptan administered with this device are similar to those reported for SC sumatriptan administered with a conventional syringe.

imitrex 15 mg 2015-06-30

There were 295 evaluable patients. At 2 hours, 73.1% of the patients treated with dihydroergotamine and 85.3% of those treated with sumatriptan had relief (P = .002). There was no statistical difference in headache relief between the groups at 3 or 4 hours. Headache relief was achieved by 85.5% of those treated with dihydroergotamine and by 83.3% of those treated with sumatriptan by 4 hours. By 24 hours 89.7% of dihydroergotamine-treated patients and buy imitrex 76.7% of sumatriptan-treated patients had relief (P = .004). Headache recurred within 24 hours after treatment in 45% of the sumatriptan-treated patients and in 17.7% of the dihydroergotamine-treated patients (P < or = .001).

imitrex 100mg dosage 2017-04-20

There is evidence that serotonin may be implicated in the pathophysiology of myofascial pain (MFP). Because of this, we used oral sumatriptan (Imitrex, Glaxo), a peripherally acting agonist of 5-HT1D receptors, in a double-blind, randomized, placebo-controlled double crossover pilot study of 7 patients with episodic MFP of the temporalis muscles. The results showed that there was a significant reduction in pain intensity and increase in pain relief over time with both the active medication and the placebo, but no significant difference between treatments. All but 1 patient reported that they are not interested in retaking the buy imitrex same medication. These data suggest that oral sumatriptan may not be the drug of choice in the control of episodic MFP.

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A number of important new pharmacologic agents in widespread clinical use share the ability of manipulate serotonin as their mechanism of action. Drugs as diverse as the antidepressants fluoxetine (Prozac), sertraline (Zoloft), paroxetine (Paxil), and venlafaxine (Effexor); the antimigraine agent sumatriptan (Imitrex); the antiobesity agent buy imitrex dexfenfluramine (Redux); and the antiemetics ondansetron (Zofran) and granisetron (Kytril) are routinely encountered in the perioperative patient. A thorough understanding of the pharmacology, physiologic effects, significant drug interactions and anesthetic implications of serotonin agonists or antagonists is vital for proper anesthetic management of patients receiving these drugs.

imitrex dosing instructions 2015-04-15

Both sumatriptan and dihydroergotamine were effective in aborting migraine headaches. Headache recurrence was two and a buy imitrex half time as likely with sumatriptan as with dihydroergotamine.

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To investigate whether a needle-free system can deliver s buy imitrex .c. sumatriptan. If so, to examine whether needle-free administration is bioequivalent to a 26-gauge needle-based auto-injector. Lastly, to assess the needle-free system for clinical acceptability and ease of use during migraine attacks.

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In this human factors study, 54 migraineurs used simulated injections to compare three buy imitrex sumatriptan subcutaneous delivery devices. Zembrace SymTouch, a two-step device, was most preferred compared with Sumavel DosePro and Imitrex STATdose. It also ranked highest for ease of use and various other measures. In this study, migraine patients preferred the autoinjector that they rated as simpler and more intuitive.

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Practitioners can optimize the use of health care dollars without compromising quality buy imitrex of care through awareness of cost-saving treatment strategies, as well as price variations among medications.

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To provide medication buy imitrex price data and cost-reducing strategies for the acute treatment of migraine.

imitrex buy 2015-07-07

Sumatriptan (Imitrex), a selective 5-hydroxytryptamine receptor agonist, has been found to be of therapeutic benefit in the acute management of migraine. There is no information on the transfer of this agent across the human placenta. Accordingly, the current study assessed the transport of this drug across the normal term human placenta, using the isolated perfused single cotyledon technique. We found that only about 15% of a single dose of the agent placed in the maternal reservoir crossed into the fetal compartment over 4 hr. Given the average elimination half-life of 2 hr for sumatriptan, it is evident that only very small amounts of the buy imitrex agent will cross from mother to fetus after single doses of Imitrex. Only the parent drug entered the fetal compartment. Metabolites were not detected in the perfusates, but there was evidence of some metabolism of sumatriptan in the placenta. The nature of the metabolites has not been determined. The mechanism of transfer of the drug across the placenta is passive (i.e., the clearance is similar to L-glucose which is passively transported), the rate of transfer is equal in both directions (maternal to fetal and in the reverse), and the drug does not cross into the fetus against a concentration gradient. This passive transport of sumatriptan across the placenta is consistent with its molecular weight, its water solubility, and its slow penetration across the blood-brain barrier in experimental animals.

imitrex 200 mg 2016-02-17

A retrospective chart review was performed on 54 eyes of 28 patients who had been identified as taking sumatriptan and had undergone LASIK at Minnesota buy imitrex Eye Consultants between 1999 and 2001. These patients were compared with 54 gender- and age-matched control eyes operated on with the same microkeratome at the same location during the same period of time. The incidence of epithelial defects during LASIK was compared between the two groups.

imitrex tabs 2015-05-22

Sumatriptan and butorphanol nasal sprays are buy imitrex commonly used agents for the management of migraine headaches. Under certain circumstances, these two agents may be administered closely in time. However, the possibility of a pharmacokinetic interaction and the safety of this regime have not been examined. In this crossover design study, 24 healthy subjects received the following four treatments, each separated by at least 7 days: 1 mg butorphanol (Stadol NS7); 20 mg sumatriptan (Imitrex Nasal Spray); or both formulations together with butorphanol administered either 1 or 30 min after sumatriptan. Serial plasma samples were collected for 24 h post-dose and analysed for butorphanol and/or sumatriptan by HPLC-MS/MS. Butorphanol plasma concentrations were reduced when it was administered 1 min (mean 28.6% decrease in AUC(0-infinity)), but not 30 min, after sumatriptan. The pharmacokinetics of sumatriptan were not substantially altered by butorphanol. The combination of nasally administered sumatriptan and butorphanol appeared safe. However, if butorphanol nasal spray is administered <30 min after sumatriptan nasal spray, the analgesic effect of butorphanol may be diminished due to reduced nasal absorption resulting from probable transient vasoconstriction of nasal blood vessels by sumatriptan.

imitrex pill description 2016-10-09

For administration sites in the thigh and the abdomen, but not the arm, the needle-free and needle-based systems were bioequivalent (for all pharmacokinetic endpoints the mean ratios between the 2 devices were always between 90.1% and 115%). Among Ceftin Reviews outpatients treating a migraine attack with the needle-free system, 51 of 52 on first attempt used the needle-free system successfully when treating a migraine attack.

imitrex dosage injection 2016-05-19

Several sumatriptan subcutaneous autoinjector devices for acute treatment of migraine patients are available, each device differs with respect to design and features. Determining device preference and ease of use is important because patients experiencing a migraine attack are often functionally impaired Motilium Dosage Instructions .

generic imitrex ingredients 2017-04-12

Clinics and private neurology Oxytrol Otc Reviews practices.

imitrex dosage oral 2015-07-02

Advances in investigative research (e.g., functional magnetic resonance imaging) have made it possible to study putative migraine processes and better understand the pathophysiology of the disorder. Consequently, the apparent opposing vascular and neuronal theories of migraine are now reconciled into Allegra Tab Uses a neurovascular hypothesis that pieces together migrainous events and allows us to better target such events in the hope of providing safe and effective therapies. Parallel discoveries in the fields of pharmacology, physiology, genetics and other biomedical disciplines will lead to the development of optimal migraine therapeutics. Such discoveries have already yielded some major enhancement in acute migraine treatment with the development of sumatriptan (Imitrex, GlaxoSmithKline) and other triptans and the trajectory is likely to be exponential. Novel targets, such as calcitonin gene-related peptide antagonists and inhibitors of excitatory glutamatergic receptors, are leading the pack but many other promising targets are in development. The post-sumatriptan decades will witness treatment strategies that will improve the therapeutic index of acute therapies and others which will effectively and safely prevent migraine attacks.

imitrex oral dosage 2015-07-04

The migraine-specific triptans have revolutionized the treatment of migraine and are usually the drugs of choice to treat a migraine attack in progress. Sumatriptan (Imitrex) has been available for the longest time within the class, is most flexible in form and has been given successfully to the most number of patients. It is useful for the full range of attacks experienced by a migraine suffer. The aim of this review is to provide an overview of the first 10 years of the use of Avelox Medication sumatriptan.

imitrex 50 mg 2015-06-27

Both weight and BMI correlated negatively with each exposure metric for each treatment group. Across all treatment groups, AUC0-2 for subjects with BMI less than or equal to median value was 1.03-1.12 times the value for subjects with BMI more than median value. For subjects with BMI less than or equal to median value receiving DFN-11, median AUC0-2 was slightly less than that for subjects with BMI more than median value receiving Imitrex 4 mg and larger than that for subjects with BMI more than median value receiving Imitrex 3 mg. Results were similar for the other exposure metrics and for weight. Exposure was higher in women than in men, which can be attributed in part to differences in weight. There was no relationship between exposure and age. For DFN-11, AUC0-2 and AUC0-∞ were lower in nonwhites compared with whites; the ratio of median values was 0.84 and 0.89, respectively. A similar, nonstatistically significant, trend was observed in the other Albenza Generic Name products (ratio of median values ranging from 0.84 to 0.89).

imitrex subcutaneous dosage 2015-05-22

Double-blind, randomized Myambutol Drug trial with parallel treatment arms.

imitrex dosage 2017-05-05

We conducted three pharmacokinetic studies of subcutaneous sumatriptan in 98 healthy adults. Sumatriptan was administered subcutaneously (236 administrations) as either DFN-11 3 mg, a novel 0.5 mL autoinjector being developed by Dr. Reddy's Laboratories; Imitrex(®) (Sumatriptan) injection 3 mg or 6 mg (6 mg/0.5 mL); or Imitrex STATdose 4 mg or 6 mg (0.5 mL). Blood was sampled for 12 hours to determine sumatriptan Cp. Maximum Cp (Cmax), area under the curve during the first 2 hours (AUC0-2), and total area under the curve (AUC0-∞) were determined using noncompartmental methods. Post hoc analyses were conducted to determine the relationship between these exposure metrics and each of body weight, BMI, age, sex, and race (categorized as white, black, or others).

imitrex 100mg tablets 2016-02-16

The efficacy and tolerability of oral sumatriptan (Imitrex tablets) were assessed in 187 migraineurs enrolled in a randomized, double-blind, parallel-group, placebo-controlled study. In the clinic, patients received oral sumatriptan 25 mg, 50 mg, or 100 mg, or placebo, for the treatment of a migraine attack. The results demonstrate that by 2 hours postdose, 52 to 57% of patients treated with sumatriptan 25 mg, 50 mg, 100 mg compared with 17% of patients treated with placebo achieved relief of headache (p < 0.05 for each sumatriptan group vs placebo). By 4 hours postdose, 65 to 78% of sumatriptan-treated patients compared with 19% of placebo-treated patients achieved relief of headache (p < 0.05 for each sumatriptan group vs placebo). Oral sumatriptan also effectively relieved nausea and photophobia and improved clinical disability. No serious or unusual adverse events were reported, and the pattern and incidence of adverse events did not vary among the sumatriptan doses. Each dose--25 mg, 50 mg, or 100 mg--of sumatriptan was effective and generally well tolerated.

imitrex pill reviews 2015-06-02

This randomized, double-blind, parallel-group, placebo-controlled study evaluated the efficacy and tolerability of oral sumatriptan (Imitrex tablets) in 259 migraineurs. In the clinic, patients received oral sumatriptan 25 mg, 50 mg, or 100 mg, or placebo for the treatment of a migraine attack. The results indicate that by 2 hours post-dose, 50 to 56% of patients treated with any of the three doses, compared with 26% of patients treated with placebo, achieved relief of headache (p < 0.05 for each sumatriptan group vs placebo). By 4 hours postdose, 68 to 71% of sumatriptan-treated patients, compared with 38% of placebo-treated patients, achieved relief of headache (p < 0.05 for each sumatriptan group vs placebo). Oral sumatriptan was similarly effective at relieving nausea and photophobia and at reducing clinical disability. The pattern and incidence of adverse events did not differ between treatment groups. All doses--25 mg, 50 mg, and 100 mg--of sumatriptan were effective and generally well tolerated. Dosing should be individualized according to the needs of the patient.

imitrex oral dose 2016-04-24

Sumavel DosePro needle-free delivery system is a new presentation of s.c. sumatriptan that delivers drug effectively, is bioequivalent to the existing needle auto-injector when used at the thigh or abdomen, and is easy to use.

imitrex shot cost 2017-04-28

Adults with migraine (n = 50) without 'medication overuse headache' were treated for up to 18 migraine attacks per 3-month study period with study medication; SNC during one study period and S/N during the other study period. For all endpoints, differences between treatments were compared with paired t tests.