Drug interactions
Liraglutide + Saxagliptin-metformin
Severity: Moderate
Liraglutide and Saxagliptin-metformin: 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
Liraglutide adds glucose-lowering effect to saxagliptin and metformin through complementary incretin actions. Hypoglycemia is uncommon with this combination alone but becomes more likely if a sulfonylurea or insulin is also present. Duplicate incretin-based therapy with a DPP-4 inhibitor and a GLP-1 agonist offers little added benefit.
What this interaction means in plain words
Liraglutide and Saxagliptin-metformin 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.
Liraglutide belongs to Endocrine; Saxagliptin-metformin belongs to Endocrine.
Why it happens
Additive pharmacodynamic effect, as both liraglutide and saxagliptin enhance incretin signaling while metformin lowers hepatic glucose output.
What to do
Generally avoid combining a DPP-4 inhibitor with a GLP-1 receptor agonist and consider stopping saxagliptin. If used together, monitor glucose and reduce any concurrent sulfonylurea or insulin dose.
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 Saxagliptin-metformin
Other interactions of Liraglutide
Frequently asked questions
Can I take Liraglutide with Saxagliptin-metformin?
MediHelp rates the interaction as moderate. Liraglutide and Saxagliptin-metformin 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. Liraglutide adds glucose-lowering effect to saxagliptin and metformin through complementary incretin actions. Hypoglycemia is uncommon with this combination alone but becomes more likely if a sulfonylurea or insulin is also present. Duplicate incretin-based therapy with a DPP-4 inhibitor and a GLP-1 agonist offers little added benefit.
How serious is the interaction between Liraglutide and Saxagliptin-metformin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Generally avoid combining a DPP-4 inhibitor with a GLP-1 receptor agonist and consider stopping saxagliptin. If used together, monitor glucose and reduce any concurrent sulfonylurea or insulin dose.
What other medicines interact with Saxagliptin-metformin?
MediHelp also lists interactions of Saxagliptin-metformin with, for example, Atazanavir, Clozapine, Contrast media. The full list is on the Saxagliptin-metformin page.
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