Drug interactions
Linagliptin-metformin + Moxifloxacin
Severity: Moderate
Linagliptin-metformin and Moxifloxacin: 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
Fluoroquinolones can cause both hypoglycemia and hyperglycemia, particularly in patients on antidiabetic drugs and in older adults or those with renal impairment. Moxifloxacin carries a lower risk than some other agents in the class, but dysglycemia is still possible. Metformin and linagliptin alone rarely cause hypoglycemia, so the risk is lower than with insulin or sulfonylureas.
What this interaction means in plain words
Linagliptin-metformin and Moxifloxacin 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; Moxifloxacin belongs to Anti Bacterial.
Why it happens
Fluoroquinolones alter pancreatic beta-cell insulin release, producing variable effects on glucose.
What to do
Advise patients to recognise dysglycemia symptoms and monitor blood glucose during the antibiotic course; stop the quinolone and switch if significant glucose disturbance occurs.
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 Moxifloxacin
- Amiodarone + Moxifloxacin Contraindicated
- Arsenic trioxide + Moxifloxacin Contraindicated
- Disopyramide + Moxifloxacin Contraindicated
- Dofetilide + Moxifloxacin Contraindicated
- Dronedarone + Moxifloxacin Contraindicated
- Droperidol + Moxifloxacin Contraindicated
Frequently asked questions
Can I take Linagliptin-metformin with Moxifloxacin?
MediHelp rates the interaction as moderate. Linagliptin-metformin and Moxifloxacin 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. Fluoroquinolones can cause both hypoglycemia and hyperglycemia, particularly in patients on antidiabetic drugs and in older adults or those with renal impairment. Moxifloxacin carries a lower risk than some other agents in the class, but dysglycemia is still possible. Metformin and linagliptin alone rarely cause hypoglycemia, so the risk is lower than with insulin or sulfonylureas.
How serious is the interaction between Linagliptin-metformin and Moxifloxacin?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to recognise dysglycemia symptoms and monitor blood glucose during the antibiotic course; stop the quinolone and switch if significant glucose disturbance occurs.
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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