rifampin-isoniazid oral brand names and other generic formulations include:
IsonaRif Oral, Rifamate Oral
butalbital-acetaminophen oral brand names and other generic formulations include:
Axocet Oral, Bancap Oral, Bucet Oral, Bupap Oral, Butex Forte Oral, Cephadyn Oral, Dolgic Oral, Indogesic Oral, Isobutyl Oral, Margesic Improved Oral, Marten-Tab Oral, Orbivan CF Oral, Palgesic M Oral, Phrenilin Forte Oral, Phrenilin Oral, Promacet Oral, Prominol Oral, Repan-CF Oral, Sedapap Oral, Tencon Oral, Triaprin Oral
rifampin-isoniazid oral and butalbital-acetaminophen oral
rifampin-isoniazid oral will increase the level or effect of butalbital-acetaminophen oral by altering drug metabolism.
rifampin-isoniazid oral and butalbital-acetaminophen oral
rifampin-isoniazid oral will increase the level or effect of butalbital-acetaminophen oral by affecting hepatic enzyme CYP2E1 metabolism.
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Drug Interaction Categories
Contraindicated
Never use this combination of drugs because of high risk for dangerous interaction
Serious
Potential for serious interaction; regular monitoring by your doctor required or alternate medication may be needed
Significant
Potential for significant interaction (monitoring by your doctor is likely required)
Minor
Interaction is unlikely, minor, or nonsignificant