Drug interactions
Letermovir + Saxagliptin-metformin
Severity: Minor
Letermovir and Saxagliptin-metformin: 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
Letermovir is a moderate CYP3A inhibitor and may increase saxagliptin concentrations. Because saxagliptin is well tolerated at higher exposures, the effect is typically modest.
What this interaction means in plain words
Letermovir and Saxagliptin-metformin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Letermovir belongs to Anti Virals; Saxagliptin-metformin belongs to Endocrine.
Why it happens
Moderate CYP3A4 inhibition reduces saxagliptin metabolism.
What to do
No routine dose change is needed; monitor glucose and for saxagliptin adverse effects during letermovir 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 Saxagliptin-metformin
Other interactions of Letermovir
- Ergotamine + Letermovir Contraindicated
- Letermovir + Pimozide Contraindicated
- Apalutamide + Letermovir Major
- Atorvastatin + Letermovir Major
- Carbamazepine + Letermovir Major
- Colchicine + Letermovir Major
Frequently asked questions
Can I take Letermovir with Saxagliptin-metformin?
MediHelp rates the interaction as minor. Letermovir and Saxagliptin-metformin have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Letermovir is a moderate CYP3A inhibitor and may increase saxagliptin concentrations. Because saxagliptin is well tolerated at higher exposures, the effect is typically modest.
How serious is the interaction between Letermovir and Saxagliptin-metformin?
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 routine dose change is needed; monitor glucose and for saxagliptin adverse effects during letermovir therapy.
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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