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Carbizol 5 mg

Tablet

Generic: Carbimazole

Square Pharmaceuticals PLC.

Therapeutic Class: Antithyroid Agent

Indications

Hyperthyroidism (thyrotoxicosis). Preparation for thyroidectomy and before or after radioactive iodine treatment.

Pharmacology

Carbimazole is converted in the body to methimazole, which blocks the formation of thyroid hormones by preventing the incorporation of iodine into tyrosine in the thyroid gland.

Dosage & Administration

Adult: 15-40 mg daily in divided doses until the patient is euthyroid (usually 4-8 weeks), then a maintenance dose of 5-15 mg daily. Treatment is usually continued for 12-18 months. Child: as directed by the physician.

Side Effects

Nausea, headache, rash, itching, joint pain, mild gastrointestinal upset, taste disturbance and hair loss. Severe fall in white blood cells (agranulocytosis), liver disorders and pancreatitis are rare.

Precautions & Warnings

Stop the drug and report at once any sore throat, fever, mouth ulcers or other sign of infection; a blood count is needed. Women of childbearing age should use effective contraception; in pregnancy use only on specialist advice at the lowest effective dose.

Contraindications

Severe blood disorders, severe hepatic impairment, history of pancreatitis with carbimazole and hypersensitivity to carbimazole or methimazole.

Storage Conditions

Store below 30°C in a cool, dry place, away from light. Keep out of the reach of children.

This information is for reference only. Always consult a qualified doctor or pharmacist before taking any medicine.