Drug interactions
Glimepiride-pioglitazone + Nitisinone
Severity: Moderate
Glimepiride-pioglitazone and Nitisinone: 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
Nitisinone inhibits CYP2C9, the main pathway for glimepiride metabolism. Higher glimepiride levels may cause hypoglycemia.
What this interaction means in plain words
Glimepiride-pioglitazone and Nitisinone 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.
Glimepiride-pioglitazone belongs to Endocrine; Nitisinone belongs to Miscellaneous.
Why it happens
Nitisinone inhibits CYP2C9, reducing glimepiride clearance.
What to do
Monitor blood glucose when starting nitisinone and reduce glimepiride dose if hypoglycemia occurs.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Glimepiride-pioglitazone and Nitisinone, 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
Other interactions of Nitisinone
- Adefovir + Nitisinone Moderate
- Bosentan + Nitisinone Moderate
- Celecoxib + Nitisinone Moderate
- Chlorpropamide + Nitisinone Moderate
- Diclofenac + Nitisinone Moderate
- Fluvastatin + Nitisinone Moderate
Frequently asked questions
Can I take Glimepiride-pioglitazone with Nitisinone?
MediHelp rates the interaction as moderate. Glimepiride-pioglitazone and Nitisinone 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. Nitisinone inhibits CYP2C9, the main pathway for glimepiride metabolism. Higher glimepiride levels may cause hypoglycemia.
How serious is the interaction between Glimepiride-pioglitazone and Nitisinone?
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 when starting nitisinone and reduce glimepiride dose if hypoglycemia occurs.
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.
