A 68-year-old man develops generalised urticaria, facial swelling, wheeze and hypotension shortly after receiving an intramuscular antibiotic. He is p...

Question

A 68-year-old man develops generalised urticaria, facial swelling, wheeze and hypotension shortly after receiving an intramuscular antibiotic. He is pale, with a weak radial pulse and stridor. According to anaphylaxis management guidelines, what is the single most important initial treatment?

Accepted Answer

Intramuscular adrenaline into the mid-anterolateral thigh

Answer

Intravenous diphenhydramine

Answer

Intravenous corticosteroids

Answer

High-flow oxygen only

Answer

Sublingual nitroglycerin

ca-mccqe1 MCQ (SBA): Anaphylaxis

A 68-year-old man develops generalised urticaria, facial swelling, wheeze and hypotension shortly after receiving an intramuscular antibiotic. He is pale, with a weak radial pulse and stridor. According to anaphylaxis management guidelines, what is the single most important initial treatment?