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Lamotrigine rash — GPhC CRA MCQ

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ModerateCNS TherapeuticsLamotrigine rashGPhC CRA

A patient started lamotrigine 2 weeks ago and now reports a widespread rash with fever and mouth ulcers. She asks whether to buy an antihistamine. What is the most appropriate action?

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Correct answer: ERefer urgently for assessment and advise not to take further doses until reviewed

Lamotrigine can rarely cause serious skin reactions, especially when rash is accompanied by fever or mucosal involvement. Urgent review is required because continuing treatment may worsen a potentially life-threatening reaction. The other options either delay appropriate care, use an unsuitable medicine, or miss the main safety issue.

Reference: BNF