A patient of MDR Tb is on anti-tubercular drugs. After few months, he develops red-green color blindness. Most likely drug causing this symptom is:: (A) Rifampicin, (B) Ethambutol, (C) Isoniazid, (D) Streptomycin
Answer is B. Ans. B. EthambutolEthambutol is first line antitubercular drug which is contraindicated in children as it causes optic neuritis and red-green color blindness.