Question

A 24-year-old woman with a known peanut allergy develops sudden generalized urticaria, throat tightness, wheeze, and hypotension shortly after eating at a restaurant. According to Canadian anaphylaxis guidelines, what is the most appropriate initial treatment?

Accepted Answer

Intramuscular adrenaline 0.5 mg of 1:1000 solution into the mid-anterolateral thigh

Answer

Intravenous diphenhydramine

Answer

Subcutaneous adrenaline 0.1 mg of 1:1000 solution

Answer

High-dose inhaled salbutamol alone

Answer

Intravenous corticosteroids as first-line therapy

Practice question

A 24-year-old woman with a known peanut allergy develops sudden generalized urticaria, throat tightness, wheeze, and hypotension shortly after eating at a restaurant. According to Canadian anaphylaxis guidelines, what is the most appropriate initial treatment?