Rifater Oral
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
- rash
- itching/swelling (especially of the face/tongue/throat)
- severe dizziness
- trouble breathing
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Rifater Oral Precautions
See also Warning section.
Before taking this product, tell your doctor or pharmacist if you are allergic to rifampin, isoniazid, or pyrazinamide; or to other rifamycins (such as rifabutin, rifapentine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
- previous severe reaction from isoniazid (such as liver disease)
- liver disease
- kidney disease
- alcohol use
- HIV infection
- diabetes
- gout
- high uric acid level in the blood
- numbness/tingling of arms/legs (peripheral neuropathy)
- recent childbirth
- a certain blood disorder (porphyria)
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Alcohol may increase the risk of liver disease. Avoid alcoholic beverages while using this medication.
This product may cause live bacterial vaccines (such as typhoid vaccine) not to work as well. Therefore, do not have any immunizations/vaccinations while using this medication without the consent of your doctor.
During pregnancy, this product should be used only when clearly needed. When rifampin is taken during the last few weeks of pregnancy, the risk of bleeding in both mother and infant may be increased. Tell your doctor immediately if you notice any bleeding in your newborn. Discuss the risks and benefits with your doctor.
This medication passes into breast milk but the effect on a nursing infant is unknown. Discuss the risks and benefits with your doctor before breast-feeding.
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