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Amiodarone thyroid toxicity — GPhC CRA MCQ

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ModerateAdverse Drug Reactions and Drug SafetyAmiodarone thyroid toxicityGPhC CRA

A patient taking amiodarone reports weight loss, tremor and palpitations. His last thyroid blood test was 10 months ago. What monitoring is required?

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Correct answer: C — Arrange thyroid function assessment and prescriber review

Amiodarone can cause both hypothyroidism and hyperthyroidism due to iodine content and thyroid effects. Weight loss, tremor and palpitations suggest possible thyrotoxicosis. Thyroid function should be assessed and the prescriber informed. Routine monitoring is important during long-term amiodarone therapy.

Reference: BNF; SPS Medicines Monitoring