Also known as:
Myambutol is a prescription medication used for the treatment of pulmonary tuberculosis. It is usually
given in combination with other tuberculosis drugs, such as isoniazid, rifampicin and pyrazinamide.
This medication may be prescribed for other uses. Ask your doctor or pharmacist for more
Initial Treatment: In patients who have not received previous antituberculous therapy, administer
Myambutol 15 mg/kg (7 mg/
lb) of body weight, as a single oral dose once every 24 hours. In the more recent studies, isoniazid has
been administered concurrently in a single, daily, oral dose.
Retreatment: In patients who have received previous antituberculous therapy, administer Myambutol 25
mg/kg (11 mg/lb)
of body weight, as a single oral dose once every 24 hours. Concurrently administer at least one other
antituberculous drug to which the organisms have been demonstrated to be susceptible by appropriate
in-vitro tests. Suitable drugs usually consist of those not previously used in the treatment of the
patient. After 60 days of Myambutol administration, decrease the dose to 15 mg/kg (7mg/ lb) of body
weight, and administer as a single oral dose once every 24 hours.
During the period when a patient is on a daily dose of 25 mg/kg, monthly eye examinations are
If you take too much Myambutol, call your local Poison Control Center or seek emergency medical
attention right away.
Store at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Do
not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so.
Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local
waste disposal company for more details about how to safely discard your product.