Treatment usually lasts between 6 and 12 months. The drugs used for tuberculosis have a number of side effects ranging from nausea and vomiting to problems with vision and the liver. The specific side effects depend on the drugs prescribed. The main side effect of isoniazid, one of the most commonly used drugs, is liver damage. The risk of this side effect appears to increase with age.
Most people improve and can return to normal activity.
Often the infection is not considered cured, but rather, controlled. The infection can reactivate in the future and cause symptoms again. However, treatment generally prevents a person from spreading the infection to others. By visiting this site, you agree to the terms and conditions of our Visitor Agreement .