Drug interactions
Metformin-sitagliptin + Nifedipine
Severity: Minor
Metformin-sitagliptin and Nifedipine: 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
Nifedipine may modestly worsen glucose tolerance in some patients by reducing insulin secretion. The effect on diabetes control is typically small.
What this interaction means in plain words
Metformin-sitagliptin and Nifedipine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Metformin-sitagliptin belongs to Endocrine; Nifedipine belongs to Cardiovascular.
Why it happens
Calcium channel blockade may reduce calcium-dependent insulin secretion from beta cells.
What to do
Monitor blood glucose when starting or stopping nifedipine and adjust antidiabetic therapy only if control changes.
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 Nifedipine
Frequently asked questions
Can I take Metformin-sitagliptin with Nifedipine?
MediHelp rates the interaction as minor. Metformin-sitagliptin and Nifedipine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Nifedipine may modestly worsen glucose tolerance in some patients by reducing insulin secretion. The effect on diabetes control is typically small.
How serious is the interaction between Metformin-sitagliptin and Nifedipine?
MediHelp rates it minor, 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 or stopping nifedipine and adjust antidiabetic therapy only if control changes.
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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