About isoniazid
ISONIAZID prevents and treats tuberculosis (TB), an infection caused by bacteria. It belongs to a group of medications called antibiotics. It will not treat colds, the flu, or infections caused by viruses. Get Isoniazid for as low as $3.49, which is 72% off the average retail price of $12.34 for the most common version, by using a GoodRx coupon.
