Drug of choice for carriers of diphtheria is
High-Yield Explanation
Corynebacterium diphtheriae is sensitive to Penicillin and can be cleared from the throat within a few days by Penicillin treatment. Erythromycin is more active than Penicillin in the treatment of carriers. Reference: Textbook of Microbiology; Anathanarayan and panicker's; 10th edition; Page no: 245