Drug interactions
Glipizide-metformin + Pentamidine
Severity: Major
Glipizide-metformin and Pentamidine: major 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
Pentamidine can damage pancreatic beta cells, causing initial hypoglycemia from insulin release followed by hyperglycemia or diabetes. It can also cause nephrotoxicity, which increases metformin accumulation risk.
What this interaction means in plain words
Glipizide-metformin and Pentamidine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Glipizide-metformin belongs to Endocrine; Pentamidine belongs to Anti Parasitic.
Why it happens
Pentamidine toxicity to pancreatic beta cells disturbs insulin secretion, and nephrotoxicity reduces metformin clearance.
What to do
Monitor blood glucose frequently during and after pentamidine and watch renal function. Hold metformin if renal function deteriorates, and adjust glipizide for hypoglycemia.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Glipizide-metformin
Other interactions of Pentamidine
- Clomipramine + Pentamidine Contraindicated
- Desipramine + Pentamidine Contraindicated
- Dronedarone + Pentamidine Contraindicated
- Moxifloxacin + Pentamidine Contraindicated
- Nortriptyline + Pentamidine Contraindicated
- Pentamidine + Pimozide Contraindicated
Frequently asked questions
Can I take Glipizide-metformin with Pentamidine?
MediHelp rates the interaction as major. Glipizide-metformin and Pentamidine can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Pentamidine can damage pancreatic beta cells, causing initial hypoglycemia from insulin release followed by hyperglycemia or diabetes. It can also cause nephrotoxicity, which increases metformin accumulation risk.
How serious is the interaction between Glipizide-metformin and Pentamidine?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood glucose frequently during and after pentamidine and watch renal function. Hold metformin if renal function deteriorates, and adjust glipizide for hypoglycemia.
What other medicines interact with Glipizide-metformin?
MediHelp also lists interactions of Glipizide-metformin with, for example, Contrast media, Diatrizoate meglumine / diatrizoate, Diatrizoate. The full list is on the Glipizide-metformin page.
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