A patient on standard first-line anti-TB therapy (RIPE) develops visual disturbance at 6 weeks. Colour vision testing reveals red-green colour blindne...

Question

A patient on standard first-line anti-TB therapy (RIPE) develops visual disturbance at 6 weeks. Colour vision testing reveals red-green colour blindness. Visual acuity has decreased. Which drug is most likely responsible?

Accepted Answer

Ethambutol

Answer

Rifampicin

Answer

Isoniazid

Answer

Pyrazinamide

Answer

Streptomycin

uk-dtmh MCQ (SBA): Ethambutol Optic Neuritis

A patient on standard first-line anti-TB therapy (RIPE) develops visual disturbance at 6 weeks. Colour vision testing reveals red-green colour blindness. Visual acuity has decreased. Which drug is most likely responsible?