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Lithium toxicity symptoms — GPhC CRA MCQ

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ModerateCNS TherapeuticsLithium toxicity symptomsGPhC CRA

A woman on lithium has vomiting, coarse tremor and unsteady gait after diarrhoea for two days. What monitoring is required?

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

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Correct answer: E — Urgent lithium level, renal function and electrolytes

This scenario assesses Lithium toxicity symptoms in a UK pharmacy practice context. The symptoms are consistent with lithium toxicity, particularly after fluid loss. The best answer is Urgent lithium level, renal function and electrolytes because it addresses the principal clinical, legal or safety issue before routine supply. The other options are less appropriate because they either miss the key risk, delay necessary review, or would not meet expected BNF, NICE, MEP, MHRA or GPhC practice standards.

Reference: https://www.pharmacyregulation.org/registration-assessment#stage-8-order-71