Eye defect by anti Tb drug:
Ans. a. EthambutolRef: Goodman Gilman 13th E/P1074Reversible eye defect in the form of optic neuritis and red-green (green>red) colour blindness can be seen with ethambutol.Hence ophthalmological examination for same is mandatory.These intensity of ocular toxicities are both dose and duration dependent.
Adverse Drug Effect
Ethambutol
Pyrazinamide
Rifampicin
Isoniazid
Ethambutol