For oral use in cats only.
CAUTION: Federal (USA) law restricts this drug to use by or on the order of a licensed veterinarian.
Methimazole tablets USP (1-methylimidazole-2-thiol) is a white, crystalline substance that is freely soluble in water. It differs chemically from the drugs of the thiouracil series primarily because it has a 5- instead of a 6-membered ring.
Each tablet contains 5 mg or 10 mg (43.8 ?mol or 87.6 ?mol) methimazole USP, an orally administered antithyroid drug.
Each tablet also contains anhydrous lactose, colloidal silicon dioxide, lactose monohydrate, magnesium stearate, pregelatinized starch and talc.