A 29 year old man presents with severe anaphylaxis after a bee sting, with hypotension, widespread urticaria and wheeze. What is the most important immediate drug treatment?AIntramuscular Adrenaline 1 in 1000 into the anterolateral thighBIntravenous Chlorphenamine bolusCOral PrednisoloneDNebulised Salbutamol aloneEIntravenous fluids onlyCheck my answer