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Tapazole

Tapazole

(methimazole)

Tapazole (Methimazole) belongs to the class of medications called antithyroid medications. It is used to treat Hyperthyroidism (overactive Thyroid gland).

Available form

Dosage

Tablet

5MG, 10MG

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Tapazole information

Dosage

Side Effects

Available Form

Contraindications

Precautions

Warnings

Adults: Tapazole (Methimazole) is taken 3 times daily, every 8 hours. The recommended starting total dose of Tapazole (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 kilogram of body weight, divided into 3 doses and given every 8 hours. The eventual maintenance dose is usually one-half the initial dose.

Tapazole (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 or pharmacist.

It is important to take Tapazole (Methimazole) exactly as prescribed by your doctor. The 3 daily doses should be taken as close to every 8 hours as possible so that blood levels are kept as constant as possible. If you miss a dose of Tapazole (Methimazole), take it as soon as possible and check with your doctor or pharmacist.

Store Tapazole (Methimazole) at room temperature, protect it from light and moisture, and keep it out of the reach of children.

Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.

Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent. The side effects listed below are not experienced by everyone who takes Tapazole (Methimazole). If you are concerned about side effects, discuss the risks and benefits of Tapazole (Methimazole) with your doctor.

The following side effects have been reported by at least 1% of people taking Tapazole (Methimazole). Many of these side effects can be managed, and some may go away on their own over time.

Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.

change in skin colour
dizziness
drowsiness
hair loss
headache
heartburn
loss of appetite
loss of taste sensation
nausea
skin rash or itching
stomach pain
vomiting

Although most of these side effects listed below don't happen very often, they could lead to serious problems if you do not check with your doctor or seek medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

kidney inflammation (e.g., backache, decreased urine, cloudy or bloody urine)
lupus-like symptoms (e.g., Fever, general feeling of being unwell, joint pain, confusion, muscle aches, skin rash)
muscle or joint pain
numbness or tingling of fingers, toes, or face
pinpoint-sized red spots on skin
shortness of breath
signs of clotting problems (e.g., unusual nosebleeds, bruising, blood in urine, coughing blood, bleeding gums, cuts that don’t stop bleeding)
swelling of feet or lower legs
swollen lymph nodes
swollen salivary glands
symptoms of liver damage (e.g., yellow skin or eyes, abdominal pain, dark urine, clay-coloured stools, loss of appetite, nausea and vomiting, or itching)
symptoms of low blood sugar (e.g., cold sweat, cool pale skin, headache, fast heartbeat, weakness)

Stop taking the medication and seek immediate medical attention if any of the following occur:

increased frequency of infections (fever or chills, severe Diarrhea, shortness of breath, prolonged dizziness, headache, stiff neck, weight loss, or listlessness)
severe skin rash
signs of pancreatitis (e.g., abdominal pain on the upper left side, back pain, nausea, fever, chills, rapid heartbeat, swollen abdomen)

Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Tapazole (Methimazole).

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All material © 1996-2024 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health providers with any questions you may have regarding a medical condition.

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