Avoid drinking alcohol. It may increase your risk of liver damage while you are taking isoniazid. You may need to avoid certain foods while you are taking isoniazid. This includes red wine, aged cheese, dried meats, and tuna or other types of fish.
Similarly, how does isoniazid work in TB?
It works by killing the bacteria that cause the disease. The exact mechanism of action of isoniazid is unknown, but it is thought to prevent the tuberculosis bacteria from making substances called mycolic acids, which are needed to form the cell walls of the bacteria.
Why do you have to take isoniazid on an empty stomach?
Take this medicine exactly as directed by your doctor. This medicine should be taken on an empty stomach, 1 hour before or 2 hours after a meal with a full of glass of water. It is important to take this medicine on a regular schedule. If this medicine upsets your stomach, take it with food.
How long do you have to take isoniazid?
This long half-life has also allowed for the shortening and simplification of treatment for latent TB infection from 9 months of daily isoniazid to just 3 months of once-weekly isoniazid and rifapentine. However, despite future plans of expanded access, rifapentine is currently only registered in the United States.