Which first line antitubercular drug can result in adverse effects of Eye?: (A) Ethambutol, (B) Pyrazinamide, (C) Rifampicin, (D) Isoniazid
Answer is A. Ethambutol causesRed Green Color Blindness (Optic Neuritis) Initially reversible, later irreversible Avoided in children. Adverse effects of other first line antitubercular drugs: Pyrazinamide :- Hyperuricemia Rifampicin :- Hepatotoxic, Discoloration of secretion Isoniazid :- Hepatotoxic, Peripheral Neuropathy