Felanorm (methimazole) Oral Solution for Cats

• Felanorm (methimazole) is a prescription oral medication for cats that is used to treat hyperthyroidism.
• Felanorm contains methimazole, an antithyroid drug that lowers thyroid hormone levels in cats with overactive thyroid.

What else should I know about Felanorm (methimazole)?

• Pregnant women or women who may become pregnant, nursing mothers, and people with low thyroid hormones should avoid handling methimazole.
• Wear protective single-use, impermeable (e.g., latex or nitrile) gloves when administering the solution.
• Wash your hands with soap and water after administration to avoid exposure to the drug.
• Wear protective gloves to prevent direct contact with litter, feces, urine, or vomit of treated cats, and the solution. Wash hands after contact with the litter of treated cats.
• Store Felanorm at a controlled room temperature 25°C (77°F) with excursions between 15°-30°C (59°-86°F) permitted.

What problems could my cat have with Felanorm (methimazole)?

• Most side effects occur in the first 3 months of giving methimazole and may be lessened by gradually increasing the dose. Always follow your veterinarian's directions.
• Common but not serious side effects may include vomiting, decreased appetite, or loss of appetite.
• Felanorm (methimazole) should be used in cats that have anemia, liver disease, kidney failure, or immune system problems, or that are pregnant or nursing.

How is Felanorm (methimazole) used for cats?

• Follow your veterinarian's directions for using this medication.
• Methimazole may be given either with food or on an empty stomach. If your animal vomits or acts sick after receiving the drug on an empty stomach, try giving the next dose with food or a small treat. If vomiting continues, contact your veterinarian.
• Felanorm should be administered orally using the enclosed graduated dosing syringe. The syringe has measurements representing the mg dose of the product. Rinse/clean the oral dosing syringe between uses.

Is it important for my cat to finish all of Felanorm (methimazole)?

• Cats may use this medication for different lengths of time. Please consult your veterinarian if you have any questions.

Who makes Felanorm (methimazole) Oral Solution?

• Felanorm is manufactured by Norbrook.