Drug of choice for pneumocystis carinii:: (A) Cotrimoxazole, (B) Erythromycin, (C) Penicillin, (D) Metronidazole
Answer is A. Ans. is 'a' Cotrimoxazole Trimethoprim - Sulfamethoxazole (Cotrimoxazole) is the drug of choice for all forms of pneumocystis carinii infection.