Trusted by over 10K subscribers
    Free & discreet shipping on all prescriptions
    Affordable pricing with no hidden fees
    FDA-regulated pharmacies
    100% online process
    Trusted by over 10K subscribers
    Free & discreet shipping on all prescriptions
    Affordable pricing with no hidden fees
    FDA-regulated pharmacies
    100% online process
    Trusted by over 10K subscribers
    Free & discreet shipping on all prescriptions
    Affordable pricing with no hidden fees
    FDA-regulated pharmacies
    100% online process
    HomeMedication GuideDrug InteractionsHydrocodone Acetaminophen + Rifampin
    Moderate interaction

    Does Hydrocodone Acetaminophen Interact With Rifampin?

    Similarly, discontinuation of a CYP3A4 inducer, such as rifampin, carbamazepine, and phenytoin, in hydrocodone bitartrate and acetaminophen tablets-treated patients may increase hydrocodone plasma concentrations and prolong opioid adverse reactions.

    Severity: Moderate

    Severity basis: warnings section (keywords: may increase). Combining Hydrocodone Acetaminophen (Opioid analgesic combination) and Rifampin (Rifamycin antibiotic (strong CYP3A4 inducer)) is classified as a moderate interaction.

    What to Do

    Use this combination with caution. Your prescriber may monitor you more closely or adjust doses.

    From the FDA Label

    Similarly, discontinuation of a CYP3A4 inducer, such as rifampin, carbamazepine, and phenytoin, in hydrocodone bitartrate and acetaminophen tablets-treated patients may increase hydrocodone plasma concentrations and prolong opioid adverse reactions.

    Source: FDA structured product labeling (set_id ee248dfd-7aa7-7dcc-e053-2995a90af19f).

    Hydrocodone Acetaminophen

    Opioid analgesic combination

    Brands: Norco, Vicodin, Lortab

    View Hydrocodone Acetaminophen safety profile

    Rifampin

    Rifamycin antibiotic (strong CYP3A4 inducer)

    Brands: Rifadin

    View Rifampin safety profile

    Check these against your full medication list in our free Interaction Checker

    This information is educational — not medical advice.

    This page is provided for general educational purposes and summarizes publicly available data from sources such as the U.S. Food & Drug Administration. It is not a substitute for the judgment of a licensed clinician and should not be used to start, stop, or change any medication. It may be incomplete or out of date, and individual circumstances vary. Always talk with your prescriber or pharmacist about your specific medications and health conditions. If you think you may have a medical emergency, call 911.

    Questions About Your Medications?

    A licensed OmniRx provider can review your full medication list and help you understand what's safe for you — no office visit required.

    Other Rifampin Interactions