Generic Tapazole


Manufacturer: King Pharmaceuticals Inc

Tapazole is a medicinal drug, which is composed of active ingredient Methimazole. It is indicated for the treatment of hyperthyroidism or overactive thyroid. This medication is composed of a conventional tablet form in dosages of 5 mg and 10 mg. This drug is manufactured by the renowned pharmaceutical company, King Pharmaceuticals Inc.

SKU: King Pharmaceuticals Tapazole Categories: ,

Available Options

Generic Tapazole - 5mg

Pack SizePrice/unitPriceQtyAdd to cart
90 pills $0.23$20.70
120 pills $0.22$26.77
180 pills $0.21$38.50
240 pills $0.20$49.13
300 pills $0.19$57.96

Generic Tapazole - 10mg

Pack SizePrice/unitPriceQtyAdd to cart
60 pills $0.37$22.20
90 pills $0.36$32.30
120 pills $0.34$41.29
180 pills $0.34$60.61
240 pills $0.33$79.03
300 pills $0.31$94.35


Active Ingredient

This medication has active ingredient Methimazole, which is a thioamide inhibitor of the enzyme thyroid peroxidase. This component has antithyroid activity. It acts by inhibiting the metabolism of iodide and the iodination of tyrosine residues in the thyroid hormone precursor thyroglobulin by TPO. It also prevents the synthesis of this drug is an antithyroid medication indicated in the therapy of hyperthyroidism and Graves’ disease.


This mentioned medication is sed to prevent the thyroid gland from making excessive thyroid hormone. This popular brand medicine Tapazole is approved for the treatment of hyperthyroidism or overactive thyroid. It can be used before thyroid surgery or radioactive iodine treatment.

Action Mechanism

The condition of Grave’s disease is an autoimmune disease caused by antibodies that attach to receptors on thyroid hormone-producing cells in the thyroid gland. It triggers an overproduction of the thyroid hormone. An enzyme that produces thyroid hormones, i.e., thyroxine (T4) and triiodothyronine (T3), by combining iodine with a protein called thyroglobulin. Tapazole prevents iodine and peroxidase from their normal interactions with thyroglobulin to form T4 and T3. This process reduces thyroid hormone production. It also interferes with the conversion of T4 to T3. It ultimately reduces the activity of thyroid hormones.


This drug is available in dosages as mentioned below:

  • 5 mg: This medicine should be taken 3 times a day or every 8 hours as advised by the doctor
  • 10 mg: It is to be consumed 3 times a day with or without food as mentioned in the prescription by the doctor.

Side Effects

  • Stomach upset
  • Nausea
  • Dizziness
  • Muscle/joint/nerve pain
  • Swelling
  • Hair loss
  • Vomiting
  • Mild skin rash/itching
  • Headache
  • Drowsiness


This medicine is not recommended in pregnant or breastfeeding women, it may harm babies.


What is Generic Tapazole used for?

Generic Tapazole, containing the active ingredient Methimazole, is used to prevent the thyroid gland from producing excessive thyroid hormone. It is primarily prescribed for the treatment of hyperthyroidism or overactive thyroid, including conditions like Graves’ disease.

How does Generic Tapazole work?

Generic Tapazole works by inhibiting the enzyme thyroid peroxidase, which is involved in the synthesis of thyroid hormones. By blocking this enzyme, it reduces the production of thyroid hormones, such as thyroxine (T4) and triiodothyronine (T3), thereby normalizing thyroid function.

Can Generic Tapazole be used as the sole treatment for hyperthyroidism?

Generic Tapazole can be used as a standalone treatment for hyperthyroidism, particularly in cases of Graves’ disease. However, in some instances, it may be used in conjunction with other therapies such as radioactive iodine treatment or thyroid surgery.

What are the common side effects of Generic Tapazole?

Common side effects of Generic Tapazole may include stomach upset, nausea, dizziness, muscle/joint/nerve pain, swelling, hair loss, vomiting, mild skin rash/itching, headache, and drowsiness. Most of the time, these side effects are minor and temporary.

How long does it take for Generic Tapazole to start working?

The onset of action of Generic Tapazole may vary from person to person, but improvement in symptoms of hyperthyroidism is usually observed within a few weeks of starting treatment. However, it may take several months for thyroid hormone levels to normalize completely.

Is Generic Tapazole safe for pregnant or breastfeeding women?

Generic Tapazole is generally not recommended for use in pregnant or breastfeeding women, as it may harm the developing fetus or infant. It’s essential to discuss the potential risks and benefits with your healthcare provider before using this medication during pregnancy or breastfeeding.

Can Generic Tapazole be taken with other medications?

It’s crucial to inform your doctor about all medications you are taking before starting Generic Tapazole, as it may interact with certain drugs. In particular, medications that affect liver function or blood clotting may interact with Generic Tapazole.

Can Generic Tapazole cause allergic reactions?

While allergic reactions to Generic Tapazole are rare, they are possible. If you experience symptoms such as rash, itching, swelling, or difficulty breathing after taking this medication, seek medical attention immediately.

Can Generic Tapazole be used in children?

Generic Tapazole may be used in children to treat hyperthyroidism, but the dosage and duration of treatment will be determined by a pediatric endocrinologist based on the child’s age, weight, and specific medical condition.

How should Generic Tapazole be stored?

Generic Tapazole should be stored at room temperature away from moisture and heat. Keep the prescription away from children’s reach and in its original packaging. Do not use Generic Tapazole after the expiration date printed on the label.

Additional information


5mg, 10mg


90 pills, 120 pills, 180 pills, 240 pills, 300 pills


$0.23, $0.22, $0.21, $0.20, $0.19


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