Drug interactions
Dienogest / estradiol valerate + Glimepiride-pioglitazone
Severity: Minor
Dienogest / estradiol valerate and Glimepiride-pioglitazone: minor 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
Pioglitazone has been reported to have weak inducing effects on CYP3A4, which could reduce hormone exposure from the contraceptive. The effect is theoretical and unlikely to affect contraceptive reliability in most women.
What this interaction means in plain words
Dienogest / estradiol valerate and Glimepiride-pioglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible weak CYP3A4 induction by pioglitazone, which increases the metabolism of dienogest and estradiol.
What to do
No routine change is needed. Advise the patient to report breakthrough bleeding, which may signal reduced hormone exposure.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Dienogest / estradiol valerate and Glimepiride-pioglitazone, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 7 days on the web. No card needed.
Other interactions of Glimepiride-pioglitazone
Frequently asked questions
Can I take Dienogest / estradiol valerate with Glimepiride-pioglitazone?
MediHelp rates the interaction as minor. Dienogest / estradiol valerate and Glimepiride-pioglitazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Pioglitazone has been reported to have weak inducing effects on CYP3A4, which could reduce hormone exposure from the contraceptive. The effect is theoretical and unlikely to affect contraceptive reliability in most women.
How serious is the interaction between Dienogest / estradiol valerate and Glimepiride-pioglitazone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No routine change is needed. Advise the patient to report breakthrough bleeding, which may signal reduced hormone exposure.
What other medicines interact with Glimepiride-pioglitazone?
MediHelp also lists interactions of Glimepiride-pioglitazone with, for example, Fluconazole, Gemfibrozil, Insulin aspart. The full list is on the Glimepiride-pioglitazone page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
