Drug interactions
Dulaglutide + Linagliptin-metformin
Severity: Moderate
Dulaglutide and Linagliptin-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
Dulaglutide combined with metformin and linagliptin provides additive glucose lowering. Hypoglycemia risk is low without insulin or a sulfonylurea, but gastrointestinal effects may be more pronounced. Combining a GLP-1 receptor agonist with a DPP-4 inhibitor offers little added benefit because both act on the incretin pathway.
What this interaction means in plain words
Dulaglutide and Linagliptin-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.
Dulaglutide belongs to Endocrine; Linagliptin-metformin belongs to Endocrine.
Why it happens
Overlapping incretin-pathway effects: GLP-1 receptor activation plus DPP-4 inhibition, with additive glucose lowering alongside metformin.
What to do
Generally avoid combining a GLP-1 receptor agonist with a DPP-4 inhibitor; if used, monitor glucose and GI tolerance and consider stopping linagliptin.
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 Linagliptin-metformin
Other interactions of Dulaglutide
Frequently asked questions
Can I take Dulaglutide with Linagliptin-metformin?
MediHelp rates the interaction as moderate. Dulaglutide and Linagliptin-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. Dulaglutide combined with metformin and linagliptin provides additive glucose lowering. Hypoglycemia risk is low without insulin or a sulfonylurea, but gastrointestinal effects may be more pronounced. Combining a GLP-1 receptor agonist with a DPP-4 inhibitor offers little added benefit because both act on the incretin pathway.
How serious is the interaction between Dulaglutide and Linagliptin-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 GLP-1 receptor agonist with a DPP-4 inhibitor; if used, monitor glucose and GI tolerance and consider stopping linagliptin.
What other medicines interact with Linagliptin-metformin?
MediHelp also lists interactions of Linagliptin-metformin with, for example, Apalutamide, Carbamazepine, Contrast media. The full list is on the Linagliptin-metformin page.
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