A 35-year-old man with known anaphylaxis to peanuts accidentally ingests a biscuit and rapidly develops generalised urticaria, throat tightness, wheez...

Question

A 35-year-old man with known anaphylaxis to peanuts accidentally ingests a biscuit and rapidly develops generalised urticaria, throat tightness, wheeze and hypotension. According to Canadian guidance, what is the first-line treatment?

Accepted Answer

Intramuscular adrenaline 0.5 mg in the mid-anterolateral thigh

Answer

Intravenous diphenhydramine

Answer

Intravenous hydrocortisone

Answer

High-flow oxygen alone

Answer

Sublingual antihistamines

ca-mccqe1 MCQ (SBA): Anaphylaxis management

A 35-year-old man with known anaphylaxis to peanuts accidentally ingests a biscuit and rapidly develops generalised urticaria, throat tightness, wheeze and hypotension. According to Canadian guidance, what is the first-line treatment?