Question

A 64-year-old man collapses at a restaurant after eating prawns. He has facial swelling, widespread urticaria, hoarseness and hypotension with a systolic blood pressure of 70 mmHg. What is the most important immediate treatment?

Accepted Answer

Intramuscular adrenaline 0.5 mg (0.5 mL of 1:1000) into the mid-anterolateral thigh

Answer

Intravenous chlorpheniramine

Answer

Intravenous hydrocortisone

Answer

Salbutamol nebuliser alone

Answer

High-dose oral antihistamines

Practice question

A 64-year-old man collapses at a restaurant after eating prawns. He has facial swelling, widespread urticaria, hoarseness and hypotension with a systolic blood pressure of 70 mmHg. What is the most important immediate treatment?