Drug interactions
Pioglitazone + Rifapentine
Severity: Moderate
Pioglitazone and Rifapentine: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Rifapentine is an enzyme inducer and can lower pioglitazone concentrations, as seen with rifampin. Loss of glycemic control is possible during treatment.
What this interaction means in plain words
Pioglitazone and Rifapentine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Pioglitazone belongs to Endocrine; Rifapentine belongs to Anti Bacterial.
Why it happens
Induction of CYP2C8 and CYP3A4 increases pioglitazone metabolism.
What to do
Monitor blood glucose closely and increase the pioglitazone dose if needed. Reassess the dose after rifapentine is stopped.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Pioglitazone
Other interactions of Rifapentine
- Ledipasvir-sofosbuvir + Rifapentine Contraindicated
- Lorlatinib + Rifapentine Contraindicated
- Lurasidone + Rifapentine Contraindicated
- Ranolazine + Rifapentine Contraindicated
- Rifapentine + Sofosbuvir-velpatasvir Contraindicated
- Rifapentine + Sofosbuvir-velpatasvir-voxilaprevir Contraindicated
Frequently asked questions
Can I take Pioglitazone with Rifapentine?
MediHelp rates the interaction as moderate. Pioglitazone and Rifapentine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Rifapentine is an enzyme inducer and can lower pioglitazone concentrations, as seen with rifampin. Loss of glycemic control is possible during treatment.
How serious is the interaction between Pioglitazone and Rifapentine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose closely and increase the pioglitazone dose if needed. Reassess the dose after rifapentine is stopped.
What other medicines interact with Pioglitazone?
MediHelp also lists interactions of Pioglitazone with, for example, Insulin aspart-insulin aspart protamine, Insulin aspart, Insulin degludec-insulin aspart. The full list is on the Pioglitazone page.
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