A 37-year-old man presents with anaphylaxis after a peanut exposure. He has generalised urticaria, wheeze and hypotension. What is the most important immediate drug treatment?AIntramuscular Adrenaline 0.5 mg (1:1000) in the anterolateral thighBIntravenous ChlorphenamineCOral PrednisoloneDNebulised Salbutamol onlyESubcutaneous Adrenaline 0.3 mgCheck my answer