sumatriptan (oral/nasal) (cont.)
What happens if I miss a dose (Imitrex, Imitrex Nasal)?
Since sumatriptan is used as needed, it does not have a daily dosing schedule. Call your doctor promptly if your symptoms do not improve after using sumatriptan.
After taking a sumatriptan tablet, you must wait two (2) hours before taking a second tablet. Do not take more than 200 mg of sumatriptan tablets in 24 hours.
After using sumatriptan nasal spray, you must wait two (2) hours before using a second spray. Do not use more than 40 mg of sumatriptan nasal spray in 24 hours.
What happens if I overdose (Imitrex, Imitrex Nasal)?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include tremors or shaking, skin redness, breathing problems, blue-colored lips or fingernails, vision problems, watery eyes or mouth, weakness, lack of coordination, or seizure (convulsions).
What should I avoid while using sumatriptan (Imitrex, Imitrex Nasal)?
Do not use sumatriptan within 24 hours before or after using another migraine headache medicine, including:
- sumatriptan injection, almotriptan (Axert), eletriptan (Relpax), frovatriptan (Frova), naratriptan (Amerge), rizatriptan (Maxalt, Maxalt-MLT), or zolmitriptan (Zomig); or
- ergot medicine such as dihydroergotamine (D.H.E. 45, Migranal), ergotamine (Ergomar, Cafergot, Migergot), dihydroergotamine (D.H.E. 45, Migranal), or methylergonovine (Methergine).
Sumatriptan may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
What other drugs will affect sumatriptan (Imitrex, Imitrex Nasal)?
Tell your doctor about all other medicines you use, especially:
- an antidepressant such as citalopram (Celexa), desvenlafaxine (Pristiq), duloxetine (Cymbalta), escitalopram (Lexapro), fluoxetine (Prozac, Sarafem), fluvoxamine (Luvox), paroxetine (Paxil), sertraline (Zoloft), or venlafaxine (Effexor).
This list is not complete and other drugs may interact with sumatriptan. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
Where can I get more information?
Your pharmacist can provide more information about sumatriptan.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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