Drug interactions
Metformin-sitagliptin + Testosterone
Severity: Minor
Metformin-sitagliptin and Testosterone: 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
Testosterone may improve insulin sensitivity in some men with hypogonadism, which could slightly enhance glucose lowering. The effect is inconsistent and rarely clinically important.
What this interaction means in plain words
Metformin-sitagliptin and Testosterone 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; Testosterone belongs to Endocrine.
Why it happens
Possible improvement in insulin sensitivity from androgen replacement; mechanism not firmly established.
What to do
No dose change is routinely required; monitor blood glucose after starting or changing testosterone therapy.
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 Testosterone
- Testosterone + Warfarin Major
- Androstenedione + Testosterone Moderate
- Betamethasone + Testosterone Moderate
- Carbamazepine + Testosterone Moderate
- Corticotropin + Testosterone Moderate
- Cortisone + Testosterone Moderate
Frequently asked questions
Can I take Metformin-sitagliptin with Testosterone?
MediHelp rates the interaction as minor. Metformin-sitagliptin and Testosterone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Testosterone may improve insulin sensitivity in some men with hypogonadism, which could slightly enhance glucose lowering. The effect is inconsistent and rarely clinically important.
How serious is the interaction between Metformin-sitagliptin and Testosterone?
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 dose change is routinely required; monitor blood glucose after starting or changing testosterone therapy.
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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