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Adder envenomation — DipIMC MCQ

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ModerateEnvironmental MedicineAdder envenomationDipIMC

A 50-year-old farmer is bitten by an adder. He has progressive swelling to the knee, vomiting and dizziness; blood pressure is 92/58. What is the most appropriate management?

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

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Correct answer: A — Immobilise the limb, avoid tourniquet, support ABCs and arrange urgent hospital care

Significant adder envenomation can cause systemic symptoms and shock, requiring supportive care and hospital assessment for antivenom consideration. Tourniquets, cutting, suction and exercise are harmful or ineffective. Immobilisation reduces lymphatic spread and pain. The pearl is that venom care is supportive and destination-focused rather than dramatic field procedures.

Reference: JRCALC Guidelines 2025; UK poisons guidance