Drug interactions
Glycopyrrolate + Metformin-sitagliptin
Severity: Minor
Glycopyrrolate and Metformin-sitagliptin: 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
Glycopyrrolate slows gastrointestinal motility and may modestly increase metformin absorption. A clinically meaningful increase in metformin toxicity is not well established.
What this interaction means in plain words
Glycopyrrolate and Metformin-sitagliptin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Glycopyrrolate belongs to Respiratory; Metformin-sitagliptin belongs to Endocrine.
Why it happens
Anticholinergic delay of gastric emptying and gut transit may alter metformin absorption; the mechanism is not firmly established.
What to do
No routine dose change; monitor for GI effects and glycemic response if the anticholinergic is used long term.
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?
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Other interactions of Metformin-sitagliptin
Other interactions of Glycopyrrolate
- Glycopyrrolate + Potassium chloride Major
- Amitriptyline + Glycopyrrolate Moderate
- Atropine + Glycopyrrolate Moderate
- Bethanechol + Glycopyrrolate Moderate
- Chlorpromazine + Glycopyrrolate Moderate
- Clomipramine + Glycopyrrolate Moderate
Frequently asked questions
Can I take Glycopyrrolate with Metformin-sitagliptin?
MediHelp rates the interaction as minor. Glycopyrrolate and Metformin-sitagliptin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Glycopyrrolate slows gastrointestinal motility and may modestly increase metformin absorption. A clinically meaningful increase in metformin toxicity is not well established.
How serious is the interaction between Glycopyrrolate and Metformin-sitagliptin?
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 dose change; monitor for GI effects and glycemic response if the anticholinergic is used long term.
What other medicines interact with Metformin-sitagliptin?
MediHelp also lists interactions of Metformin-sitagliptin with, for example, Clozapine, Contrast media, Diatrizoate meglumine / diatrizoate. The full list is on the Metformin-sitagliptin page.
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