You should not use this medicine if you have ever had an allergic reaction to rifampin or isoniazid. Avoid using this medicine if you have liver disease.
Uses:
Capsule, Tablet
Your doctor will tell you how much of this medicine to use and how often. Do not use more medicine or use it more often than your doctor tells you to.
Rifampin/isoniazid should be taken on an empty stomach, 1 hour before or 2 hours after a meal.
It is important to take this medicine on a regular schedule. Keep taking it even if you are feeling better. Your doctor will tell you when you can stop taking it.
If a dose is missed:
Take the missed dose as soon as possible.
If it is almost time for your next regular dose, wait until then to take your medicine and skip the missed dose.
You should not use two doses at the same time.
Storage:
Store at room temperature in a closed container, away from heat, light, and moisture.
Keep all medicine out of the reach of children.
Special precautions:
Before taking, tell your doctor and pharmacist if you are allergic to any medications. tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking. tell your doctor if you have or have ever had heart failure or liver disease. tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking, call your doctor
Do not drink alcohol while taking this medicine.
Rifampin interacts with many other medicines. Make sure your doctor knows all of the medicines that you are taking before taking rifampin. The doses of the other medicines may have to be changed while you are taking rifampin.
Some types of fish and cheese may cause reactions such as flushing, chills, headache, slow or pounding heartbeat, and nausea and vomiting.
Birth control pills may not work if you take them with this medicine. A different kind of birth control should be used; check with your doctor.
Warnings:
If you are pregnant or breastfeeding, talk to your doctor before taking this medicine.
Be sure to see your doctor regularly while you are taking this medicine. Reschedule any appointments you miss.
Do not stop taking this medicine without talking to your doctor.
Your urine, stool, saliva (spit), sweat, and tears may turn a red-orange color when you take this medicine.
Soft contact lenses may be permanently stained by rifampin. You may not want to wear them while taking this medicine.
Side Effects:
Tell your doctor if any of these symptoms are severe or do not go away:
