Glipizide and Posaconazole Interaction
Drug interaction information between Glipizide and Posaconazole.
Glipizide and Posaconazole have a documented minor interaction in FDA labeling.
FDA drug labeling documents a minor-severity interaction between Glipizide and Posaconazole. Major interactions are generally avoided, moderate ones may need monitoring or a dose adjustment, and minor ones are usually low-risk. This page shows the documented mechanism and guidance. Label-documented interactions are not a complete safety review, so always confirm your own medications with a pharmacist or doctor. Educational information, not medical advice.
How They Interact
Taking these two drugs together can interfere with how your body manages blood sugar, potentially causing your levels to drop too low.
What To Do
You should check your blood sugar levels more frequently while taking these medications together. Watch for signs of low blood sugar, such as sweating, shaking, or confusion.
FDA Label Information
7.14 Glipizide Although no dosage adjustment of glipizide is required, it is recommended to monitor glucose concentrations when posaconazole and glipizide are concomitantly used.
Glipizide Also Interacts With
- Fluconazole minor
- Colesevelam minor
- Probenecid minor
- Phenytoin minor
- Lovastatin minor
Posaconazole Also Interacts With
- Esomeprazole major
- Digoxin major
- Cimetidine major
- Metoclopramide major
- Phenytoin major
Frequently Asked Questions
Can I take Glipizide and Posaconazole together?
This is a minor interaction. You should check your blood sugar levels more frequently while taking these medications together. Watch for signs of low blood sugar, such as sweating, shaking, or confusion.
How serious is the interaction between Glipizide and Posaconazole?
This interaction is classified as "minor" severity by the FDA. Minor interactions are unlikely to cause significant problems but should still be mentioned to your healthcare provider.
Why do Glipizide and Posaconazole interact?
Taking these two drugs together can interfere with how your body manages blood sugar, potentially causing your levels to drop too low.
Understanding the Glipizide and Posaconazole Interaction
FDA-approved prescribing information for these two drugs flags their combination as a minor-severity interaction. Glipizide belongs to the Sulfonylurea class and Posaconazole belongs to the Azole Antifungal class - two categories that can collide when co-prescribed. The mechanism described in FDA labeling is: Taking these two drugs together can interfere with how your body manages blood sugar, potentially causing your levels to drop too low. Severity tiers matter: major flags generally advise avoidance, moderate flags often require monitoring or dose adjustment, and minor flags may only call for awareness.
Context around a specific patient determines real-world impact. Glipizide has 8 total documented interactions on file in this dataset, and Posaconazole has 27. Each additional medication compounds the interaction surface, which is why pharmacists run full-profile checks rather than evaluating one pair at a time. FDA-derived guidance for this pair is: You should check your blood sugar levels more frequently while taking these medications together. Timing of doses, renal and hepatic function, age, and other concurrent prescriptions all shape whether a labeled interaction matters clinically.
An interaction flag is not a verdict. A large share of labeled interactions are managed routinely in clinical practice, the fix may be as simple as spacing doses or adding a monitoring test. Others require the prescriber to choose a different medication entirely. This page surfaces FDA-sourced labeling and openFDA data for educational purposes only; it is not medical advice and cannot account for your full clinical picture. Never start, stop, or adjust either Glipizide or Posaconazole based on a web page, speak with your prescriber or pharmacist before making any change.
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. Always consult your healthcare provider about drug interactions.
Read our methodology - how this data is sourced, computed, and verified.