ISONIAZID (eye soe NYE a zid) 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.


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For information regarding participating pharmacies located within a medical facility, please contact customer care at 1-800-407-8156. Note: Some pharmacies do not allow the savings card to be used for opioid drugs.