Lithium dehydration — GPhC CRA MCQ
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Correct answer: D — Advise urgent medical review and lithium level assessment
Dehydration can precipitate lithium toxicity and symptoms such as tremor are concerning. The best answer addresses the key safety, legal or pharmaceutical care issue in the vignette. The other options would either delay appropriate care, create a new risk, or fail to resolve the issue. This is consistent with the cited UK reference for safe pharmacy practice.
Reference: BNF; NICE CKS