system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Is 70 year old man was administered penicillin intravenous within five minutes, he developed generalized uicaria, swelling of lips, hypotension and bronchospasm. the first choice is to administer
assistant
The correct answer is  Epinephrine (adrenaline) is a drug of choice for anaphylactic shock. it is given by subcutaneous or intramuscular route in a concentration of 1:1000. intravenous route is rarely used but at match but that much lower concentration(1:10,000) Refer kDT 6/e p128