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Medications and Drugs

Brand Names: Myambutol

Generic Name: ethambutol (Pronunciation: eth AM bue tol)

What is ethambutol (Myambutol)?

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.

Ethambutol 400 mg-BAR

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Ethambutol 400 mg-VER

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Myambutol 400 mg

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What are the possible side effects of ethambutol (Myambutol)?

If you experience any of the following serious side effects, stop taking ethambutol and seek emergency medical attention or contact your doctor immediately:

  • an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
  • vision changes (e.g., blurring, red-green color blindness);
  • a rash;
  • numbness or tingling in your fingers, toes, hands, or feet;
  • confusion, disorientation, or hallucinations; or
  • fever.

Other, less serious side effects may be more likely to occur. Continue to take ethambutol and talk to your doctor if you experience

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about ethambutol (Myambutol)?

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.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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