A patient with suspected cyanide poisoning receives hydroxocobalamin. Which expected effect should the nurse recognise and report to the laboratory team?
Correct answer: A. Red discoloration of skin and body fluids
- A. Red discoloration of skin and body fluids
- B. Blue discoloration of the lips
- C. Permanent pupil constriction
- D. Severe salivation and diarrhoea
Explanation
Hydroxocobalamin commonly causes red skin and red discoloration of urine and other body fluids, which can interfere with some laboratory tests and dialysis machines. It does not cause the cholinergic features of organophosphate poisoning or true central cyanosis.
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About Emergency Drugs and Antidotes
Emergency pharmacology covers drugs used in cardiac arrest, shock, severe allergy, acute asthma, seizures, poisoning and hypoglycaemia, including adrenaline, atropine, naloxone, flumazenil and selected antidotes. The focus is on indications, routes, rapid adverse effects, dose safety and matching a toxic substance with its specific reversal agent.
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