Ontario Paramedic Practice Exam

The administration of epinephrine, particularly in the context of anaphylaxis, warrants consideration for additional treatment options to manage potential allergic reactions. Diphenhydramine is an antihistamine that can help mitigate the effects of histamine release in the body, which is crucial after the initial treatment with epinephrine. While epinephrine acts quickly to alleviate severe allergic reactions, diphenhydramine can provide a secondary layer of protection by addressing residual symptoms and preventing worsening of the allergic response. Antihistamines like diphenhydramine can help to relieve symptoms such as itching, hives, and swelling, which may persist even after epinephrine has been administered. Administering diphenhydramine either intramuscularly or intravenously offers flexibility depending on the severity of the situation and the patient's condition, making it the most appropriate secondary treatment following epinephrine use. Other treatments mentioned, such as antibiotics and antifungals, are not relevant for the management of allergic reactions and would not address the immediate symptoms or complications associated with anaphylaxis. Antiemetics could be useful in specific contexts, but they do not directly address the underlying allergic response that needs to be managed after epinephrine administration.