Drug interactions
Metformin-pioglitazone + Quinapril
Severity: Moderate
Metformin-pioglitazone and Quinapril: 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
ACE inhibitors can enhance insulin sensitivity and occasionally cause hypoglycemia in patients on antidiabetic drugs. Renal function decline with ACE inhibitors may also increase metformin accumulation and the risk of lactic acidosis.
What this interaction means in plain words
Metformin-pioglitazone and Quinapril 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.
Why it happens
Improved insulin sensitivity is additive with antidiabetics, and ACE inhibitor-related renal impairment may reduce metformin clearance.
What to do
Monitor blood glucose and renal function, especially after starting or changing the dose. Reduce metformin if renal function declines.
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 Metformin-pioglitazone
Frequently asked questions
Can I take Metformin-pioglitazone with Quinapril?
MediHelp rates the interaction as moderate. Metformin-pioglitazone and Quinapril 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. ACE inhibitors can enhance insulin sensitivity and occasionally cause hypoglycemia in patients on antidiabetic drugs. Renal function decline with ACE inhibitors may also increase metformin accumulation and the risk of lactic acidosis.
How serious is the interaction between Metformin-pioglitazone and Quinapril?
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 and renal function, especially after starting or changing the dose. Reduce metformin if renal function declines.
What other medicines interact with Metformin-pioglitazone?
MediHelp also lists interactions of Metformin-pioglitazone with, for example, Contrast media, Diatrizoate meglumine / diatrizoate, Diatrizoate. The full list is on the Metformin-pioglitazone page.
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