A 25-year-old woman suddenly develops generalised urticaria, lip swelling, wheeze and hypotension (blood pressure 80/40 mmHg) 10 minutes after a bee sting. She weighs 70 kg. What is the most appropriate initial dose and route of adrenaline?A0.5 mg intravenous adrenaline (1:1000) bolusB0.3 mg intramuscular adrenaline (1:10,000) into the buttockC0.5 mg intramuscular adrenaline (1:1000) into the anterolateral thighD0.05 mg subcutaneous adrenaline (1:1000) into the upper armEAdrenaline is contraindicated; give only antihistaminesCheck my answer