Imitrex Ingredients and Composition

Imitrex Information

Imitrex Ingredients and Composition

Imitrex is a selective 5-hydroxytryptamine1 receptor subtype agonist. Sumatriptan succinate is chemically designated as 3-[2-(dimethylamino)ethyl]-N-methyl-indole--5-methanesulfonamide succinate (1:1).

The empirical formula is C₁₄H₂₁N₃O₂S•C₄H₆O₄, 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 or 70 mg of sumatriptan succinate equivalent to 25 or 50 mg of sumatriptan, respectively.

Each Imitrex tablet also contains the following inactive ingredients:

• croscarmellose sodium
• lactose
• magnesium stearate
• microcrystalline cellulose
• titanium dioxide dye

Imitrex Information