Compare ethambutol vs. Isoniazid

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Treats and prevents mycobacterial infections like tuberculosis.

Myambutol (ethambutol) works well to treat or prevent mycobacterial infections, but has to be combined with other medicines and taken for a long period of time.

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  • First-choice treatment for tuberculosis.
  • There are different dosing regimens, which can make taking Myambutol (ethambutol) more convenient for your schedule.
  • Myambutol (ethambutol) can be taken with food and may help with any stomach upset.
No information currently available
  • Remembering to take Myambutol (ethambutol) daily over a long period of time and with other medicines can be difficult.
  • Not a good choice if you have a history or are experiencing any vision problems.
No information currently available
Used for
  • Tuberculosis
  • Prevention of Mycobacterium avium complex (MAC) infection in HIV, transplant, or cancer patients
  • Active tuberculosis Active tuberculosis - HIV infection HIV infection - Inactive tuberculosis Inactive tuberculosis
  • Atypical mycobacterial infection Determination of acetylation rate
Dosage forms
  • Pill
  • Pill
  • Liquid
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Side effects
The Myambutol (ethambutol) FDA package insert doesn’t have numbers about how common side effects are.
The Laniazid (Isoniazid) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Vision problems
  • Liver problems
See more detailed risks and warnings
No information currently available