Drug of choice for Prophylaxis against Diphtheria is
High-Yield Explanation
Control of Diphtheria Prophylaxis of Diphtheria Erythromycin Non-immunized contacts Prophylactic Penicillin/Erythromycin + 1000-2000 units antitoxin + active immunization DOC for carriers Erythromycin DOC for cases Penicillin/Erythromycin (given along with anti-toxin)