Drug interactions
Linagliptin-metformin + Quetiapine
Severity: Moderate
Linagliptin-metformin and Quetiapine: 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
Quetiapine can cause hyperglycemia and weight gain, which may offset the glucose-lowering effect of metformin and linagliptin. Diabetic control may worsen, particularly in the first months of antipsychotic therapy.
What this interaction means in plain words
Linagliptin-metformin and Quetiapine 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.
Linagliptin-metformin belongs to Endocrine; Quetiapine belongs to Central Nervous System.
Why it happens
Atypical antipsychotics can induce insulin resistance and weight gain, producing pharmacodynamic antagonism of antidiabetic drugs.
What to do
Monitor fasting glucose and HbA1c after starting quetiapine and periodically thereafter. Intensify antidiabetic therapy if control worsens.
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 Quetiapine
- Adagrasib + Quetiapine Major
- Amiodarone + Quetiapine Major
- Amisulpride + Quetiapine Major
- Amoxapine + Quetiapine Major
- Anagrelide + Quetiapine Major
- Apalutamide + Quetiapine Major
Frequently asked questions
Can I take Linagliptin-metformin with Quetiapine?
MediHelp rates the interaction as moderate. Linagliptin-metformin and Quetiapine 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. Quetiapine can cause hyperglycemia and weight gain, which may offset the glucose-lowering effect of metformin and linagliptin. Diabetic control may worsen, particularly in the first months of antipsychotic therapy.
How serious is the interaction between Linagliptin-metformin and Quetiapine?
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 fasting glucose and HbA1c after starting quetiapine and periodically thereafter. Intensify antidiabetic therapy if control worsens.
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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