What is ethambutol?
Ethambutol is an antibiotic. It prevents growth of the tuberculous bacteria in the body.
Ethambutol is used to treat tuberculosis (TB).
Ethambutol may also be used for purposes other than those listed in this medication guide.
What is the most important information I should know about ethambutol?
Take all of the ethambutol that has been prescribed for you even if you begin to feel better. Your symptoms may begin to improve before the infection is completely treated.
Call your doctor immediately if you experience changes in vision (e.g., blurring, red-green color blindness) or a rash.
What should I discuss with my healthcare provider before taking ethambutol?
Before taking this medication, tell your doctor if you have
ever had an allergic reaction to ethambutol;
cataracts, diabetic retinopathy, or optic neuritis; or
kidney disease.
You may not be able to take ethambutol, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above.
It is not known whether ethambutol will be harmful to an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant or could become pregnant during treatment.
It is also not known whether ethambutol will be harmful to a nursing baby. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.