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Doxycycline counselling — GPhC CRA MCQ

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EasyInfectionsDoxycycline counsellingGPhC CRA

A 24-year-old woman is prescribed doxycycline 100mg twice daily for acne for one week, then 100mg daily. She asks for counselling before a sunny holiday. What would you advise the patient?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: C — Use sun protection and take doxycycline with plenty of water while upright.

Doxycycline can cause photosensitivity and oesophageal irritation. Patients should use sun protection and take it with water while upright. Antacids and mineral supplements can reduce absorption if taken close together.

Reference: BNF