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Tapazole from Canada Pharmacy  


Strength: 5mg

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Common Name: methimazole

How does Tapazole work?

Methimazole belongs to the class of medications called antithyroid medications. It is used to treat hyperthyroidism (overactive thyroid gland). It prevents the thyroid gland from over-producing thyroid hormone, but does not interfere with the actions of thyroid hormone. It may take weeks to months before methimazole has its full effect on the symptoms of overactive thyroid (e.g., palpitations, sweating). During this time period, other medications may be used to control these symptoms. Your doctor may choose to use a medication for conditions other than the ones listed in these drug information articles. If you're unsure why you are taking this medication, contact your doctor.

How should I use Tapazole?

Adults: Methimazole is taken three times daily, every eight hours. The recommended starting total dose of methimazole is 15 mg daily for mild hyperthyroidism, 30 mg to 40 mg daily for moderately severe hyperthyroidism, and 60 mg daily for severe hyperthyroidism. The eventual maintenance dose is normally 5 mg to 15 mg daily. Children: For children, the daily dose is initially 0.4 mg per kg body weight, divided into three doses and given every eight hours. The eventual maintenance dose is usually one-half the initial dose. Methimazole can be taken with or without food. Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor. It is important that this medication be taken exactly as prescribed by your doctor. The three daily doses should be taken as close to every eight hours as possible so that blood levels are kept as constant as possible. If you miss a dose of this medication, take it as soon as possible. If it is almost time for your next dose, take both doses together. If you miss more than one dose, check with your doctor. Store this medication at room temperature, away from moisture and sunlight.

What form(s) does Tapazole come in?

Each white tablet contains 5 mg methimazole. Nonmedicinal ingredients include starch, magnesium stearate, talc, and lactose. This medication does not contain gluten, yeast, or tartrazine.

What should I NOT take with Tapazole?

Methimazole should not be taken by anyone who: has a known sensitivity or allergy to methimazole or to any of the ingredients of the medication is breast-feeding

Are there any other precautions or warnings for Tapazole?

Blood tests: Your doctor will likely want you to have laboratory tests done on a regular basis, because in rare cases, methimazole can cause the levels of white blood cells to decrease. Pregnancy: Methimazole may be used during pregnancy under certain circumstances. If you are or may be pregnant, talk to your doctor about the risks and benefits of using methimazole. Breast-feeding: Women using methimazole should not breast-feed.