Sumatriptandrug info
sumatriptan 100 MG Oral Tablet [Imitrex]
What it is used for
IMITREX tablets are indicated for the acute treatment of migraine with or without aura in adults. Limitations of Use:
Use only if a clear diagnosis of migraine headache has been established. If a patient has no response to the first migraine attack treated with IMITREX, reconsider the diagnosis of migraine before IMITREX is administered to treat any subsequent attacks.
IMITREX is not indicated for the prevention of migraine attacks.
Safety and effectiveness of IMITREX tablets have not been established for cluster headache. IMITREX is a serotonin (5-HT 1B/1D ) receptor agonist (triptan) indicated for acute treatment of migraine with or without aura in adults. Limitations of Use:
Use only if a clear diagnosis of migraine headache has been established.
Not indicated for the prophylactic therapy of migraine attacks.
Not indicated for the treatment of cluster headache.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 9, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
IMITREX tablets contain sumatriptan succinate, a selective 5‑HT 1B/1D receptor agonist. Sumatriptan succinate is chemically designated as 3-[2-(dimethylamino)ethyl]-N-methyl-indole-5-methanesulfonamide succinate (1:1), and it has the following structure: The empirical formula is C 14 H 21 N 3 O 2 S
C 4 H 6 O 4, representing a molecular weight of 413.5. Sumatriptan succinate is a white to off‑white powder that is readily soluble in water and in saline. Each IMITREX tablet for oral administration contains 35, 70, or 140 mg of sumatriptan succinate equivalent to 25, 50, or 100 mg of sumatriptan, respectively. Each tablet also contains the inactive ingredients croscarmellose sodium, dibasic calcium phosphate, magnesium stearate, microcrystalline cellulose, and sodium bicarbonate. Each 100-mg tablet also contains hypromellose, iron oxide, titanium dioxide, and triacetin. Imitrex Tablets chemical structure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 9, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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