Levothyroxine and iron — GPhC CRA MCQ
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Correct answer: B — Arrange ophthalmological assessment; confirmed optic neuropathy or neuritis requires amiodarone withdrawal
Option B is correct: reduced or blurred vision requires prompt examination including fundoscopy; confirmed optic neuropathy or neuritis requires withdrawal because it can progress to blindness. Option E wrongly equates progressive acuity loss with benign corneal deposits. Option C delays and misdirects specialist assessment. Option A invents an intermittent regimen. Option D substitutes thyroid testing for the required eye investigation.
Reference: Amiodarone SmPC: https://www.medicines.org.uk/emc/product/101141/smpc