Methimercazole 5mg Tab: Price, Use, Benefit, Side Effect

Methimercazole 5mg Tab

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Abbott India Ltd

Composition

Methimazole (5mg)

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About Methimercazole 5mg Tab

Methimercazole 5mg Tab (Methimazole) is a medication used to treat hyperthyroidism. It works by reducing the production of thyroid hormones. Common side effects include rash, itching, and nausea. Serious side effects are rare but include liver damage and bone marrow suppression. It's crucial to follow your doctor's instructions precisely and report any unusual symptoms immediately. Discuss potential interactions with alcohol, pregnancy, breastfeeding, and other health conditions with your doctor.

Ingredients

Directions for Use

How Drug Works

Storage & Handling

Drug Dosage

Side Effects

Safety Consideration or Warnings

References

Ingredients of Methimercazole 5mg Tab

Methimazole

Is the active ingredient.

Direction for Use of Methimercazole 5mg Tab

Hyperthyroidism (overactive thyroid)

Thyroid storm (a lifethreatening complication of hyperthyroidism)

Preparation for thyroid surgery

Treatment of thyroid cancer (in some cases)

How Methimercazole 5mg Tab Works

Methimercazole 5mg Tab (Methimazole) inhibits the thyroid peroxidase enzyme, which is crucial for the synthesis of thyroid hormones (thyroxine (T4) and triiodothyronine (T3)). By blocking this enzyme, it reduces the production of these hormones, thus controlling the symptoms of hyperthyroidism.

Storage and Handling of Methimercazole 5mg Tab

Store at room temperature, away from moisture and direct sunlight. Keep out of reach of children. Discard any unused medication after the expiration date.

Dosage of Methimercazole 5mg Tab

Dosage is determined by your doctor based on your individual needs and response to treatment.

It's typically taken orally, usually once or twice daily.

Do not crush, chew, or break the tablets. Swallow them whole with water.

Follow your doctor's instructions precisely and do not alter the dosage without consulting them.

Side effects of Methimercazole 5mg Tab

Rare but serious side effects: Liver damage, bone marrow suppression (agranulocytosis)

Rash

Itching

Fever

Joint pain

Nausea

Vomiting

Diarrhea

Headache

Hair loss

Safety Consideration or Warnings

Alcohol Consumption

Consult your doctor about alcohol consumption while taking methimazole.

While Driving or Operating Machinery

Methimazole may cause drowsiness or dizziness in some individuals. Avoid driving or operating heavy machinery until you know how the medication affects you.

Pregnant & Breastfeeding Women

Methimazole can cross the placenta and is present in breast milk. Discuss the risks and benefits with your doctor before using it during pregnancy or breastfeeding. Alternatives may be considered.

Children

Dosage adjustments are necessary for children. The use of methimazole in children should be under strict medical supervision.

Kidney

Kidney impairment may affect methimazole metabolism and dosage adjustments may be required. Consult your doctor.

Liver

Methimazole can cause liver damage. Regular liver function tests may be monitored.

References

Your doctor or pharmacist

Medication package insert

Reputable medical websites (e.g., Mayo Clinic, National Institutes of Health)

Last Updated On 22 Dec. 2025 | 09:37 AM (IST)

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