Drug interactions
Metformin-sitagliptin + Somapacitan
Severity: Moderate
Metformin-sitagliptin and Somapacitan: 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
Growth hormone analogs can reduce insulin sensitivity and raise blood glucose. This may weaken the effect of metformin and sitagliptin, particularly at higher doses.
What this interaction means in plain words
Metformin-sitagliptin and Somapacitan 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.
Metformin-sitagliptin belongs to Endocrine; Somapacitan belongs to Endocrine.
Why it happens
Growth hormone induced insulin resistance antagonizes the glucose-lowering effect of antidiabetic drugs.
What to do
Monitor blood glucose and HbA1c after starting or adjusting somapacitan. Increase antidiabetic therapy as needed.
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-sitagliptin
Other interactions of Somapacitan
- Alogliptin-metformin + Somapacitan Moderate
- Alogliptin-pioglitazone + Somapacitan Moderate
- Alogliptin + Somapacitan Moderate
- Bazedoxifene-conjugated estrogens + Somapacitan Moderate
- Canagliflozin-metformin + Somapacitan Moderate
- Chlorpropamide + Somapacitan Moderate
Frequently asked questions
Can I take Metformin-sitagliptin with Somapacitan?
MediHelp rates the interaction as moderate. Metformin-sitagliptin and Somapacitan 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. Growth hormone analogs can reduce insulin sensitivity and raise blood glucose. This may weaken the effect of metformin and sitagliptin, particularly at higher doses.
How serious is the interaction between Metformin-sitagliptin and Somapacitan?
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 HbA1c after starting or adjusting somapacitan. Increase antidiabetic therapy as needed.
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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