During introduction of local anesthesia a patient has gone into anaphylactic shock. What drug must be administered to the patient?

Answer options

1. Propranolol
2. Diazepam
3. Atropine sulfate
4. Epinephrine hydrochloride
5. Nitroglycerin

Explanation

Epinephrine hydrochloride (epinephrine is given for anaphylactic reactions) Epinephrine acts quickly to improve breathing, stimulate the heart, raise dropping blood pressure, reverse hives, and reduce swelling of the face, lips, and throat.