Generic Imitrex 100 mg, Sumatriptan is an antimigraine medicine. Migraine headaches are believed to result from dilatation of the blood vessels in the head. Generic Imitrex 100 mg, Sumatriptan causes constriction of the blood vessels, thus relieving migraine headache. While it is very effective in relieving migraine, it does not prevent or reduce the number of attacks of migraine.

Generic Imitrex should be taken as soon as your symptoms appear, but may be used at any time during an attack.

Generic Imitrex is available in three forms: injection, tablets, and nasal spray.

Generic Imitrex injection is administered just below the skin with an autoinjector (self-injection device). Choose a site where the skin is thick enough to take the full length of the needle (1/4 inch). Avoid injecting Generic Imitrex into a muscle or a vein. Your doctor should instruct you

If Generic Imitrex 100 mg is taken with certain other drugs, the effects of either may be increased, decreased, or altered. It is important to check with your doctor before combining Generic Imitrex 100 mg with the following:
Drugs classified as MAO inhibitors, including the antidepressants Nardil and Parnate, Ergot-containing drugs such as Cafergot and Ergostat, Fluoxetine (Prozac), Fluvoxamine (Luvox), Paroxetine (Paxil), Sertraline (Zoloft).

Special information on Generic Imitrex 100 mg, if you are pregnant or breastfeeding, the effects of Generic Imitrex 100 mg during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, inform your doctor immediately. Generic Imitrex 100 mg does appear in breast milk and could affect a nursing infant.

If this medication is essential to your health, your doctor may advise you to discontinue breastfeeding until your treatment with Generic Imitrex 100 mg is finished.

Side effects of Generic Imitrex 100 mg cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Generic Imitrex 100 mg.

More common side effects of Generic Imitrex 100 mg: May include, Burning sensation, dizziness or vertigo, feeling of heaviness, feeling of tightness, flushing, mouth and tongue discomfort, muscle weakness, nausea (nasal spray), neck pain and stiffness, numbness, pressure sensation,