Ethambutol is an anti-tuberculosis medicine. It is used as part of a combination of medicines to treat TB and is taken for several months.

What Ethambutol Is Used For

Tuberculosis (TB), as part of combination treatment

Common Side Effects

Nausea
Stomach upset
Rarely, changes in vision or colour vision

Precautions

Tell your doctor straight away about any change in your eyesight, including blurred vision or difficulty telling colours apart, as ethambutol can rarely affect the eyes. TB treatment must be completed in full, exactly as prescribed, even after you feel better, so the infection is fully cleared.

This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.