Ethambutol is used in combination with other drugs to treat tuberculosis and reduce the risk of transmission of the disease to other people.


What is Ethambutol?

Ethambutol alters the permeability of the mycobacterial wall, and therefore, when combined with other drugs, it is able to penetrate thoroughly into the wall.


How should Ethambutol be taken?

Typically, Ethambutol is taken orally, once a day in the morning and in the form of tablets. Since it can cause stomach problems, it is recommended to be taken with food.


Side effects associated with Ethambutol

Possible side effects of Ethambutol include the following:

  • Loss of appetite
  • Stomach discomfort
  • Vomiting
  • Numbness and tingling in the hands or feet


It is important to contact a doctor right away if the drug triggers:

  • Blurry vision
  • Inability to distinguish red and green colors
  • Sudden changes in eyesight
  • Skin rash
  • Itch


Contraindications and warnings associated with the use of Ethambutol

Antacids can interfere with the activity of Ethambutol, which is why the drug should be taken at least 1 hour before or 2 hours after these medications.


Before taking Ethambutol, it is important to inform your doctor:

  • If you have any allergies to the active substance, its excipients or any other drug
  • If you are taking or have taken any other medicines, herbal remedies or supplements in the last two weeks, especially antacids and vitamins
  • If you suffer (or have suffered) from kidney disease, gout, or eye disorders such as cataracts
  • If you are pregnant or breastfeeding