Which drug is used to treat hyperthyroidism in Graves disease and can cause agranulocytosis?
Answer and explanation
Correct answer: B. Carbimazole
- Step 1: Thionamides inhibit thyroid peroxidase.
- Step 2: Patients should report sore throat or fever, which may signal agranulocytosis.
Answer
Carbimazole.
Why not the others: 'Levothyroxine' treats hypothyroidism; 'Propranolol' is a symptom relief drug with no agranulocytosis; 'Hydrocortisone' is for adrenal insufficiency.
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