Drug interactions
Metformin-pioglitazone + Moxifloxacin
Severity: Moderate
Metformin-pioglitazone 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 in patients taking antidiabetic drugs. Moxifloxacin carries a lower risk than some other agents but cases still occur.
What this interaction means in plain words
Metformin-pioglitazone 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.
Metformin-pioglitazone belongs to Endocrine; Moxifloxacin belongs to Anti Bacterial.
Why it happens
Fluoroquinolones alter pancreatic beta-cell insulin release, producing dysglycemia that adds to the antidiabetic effect.
What to do
Monitor blood glucose during the antibiotic course and counsel the patient on hypoglycemia symptoms. Change to a non-quinolone antibiotic if dysglycemia 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 Metformin-pioglitazone
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 Metformin-pioglitazone with Moxifloxacin?
MediHelp rates the interaction as moderate. Metformin-pioglitazone 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 in patients taking antidiabetic drugs. Moxifloxacin carries a lower risk than some other agents but cases still occur.
How serious is the interaction between Metformin-pioglitazone 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: Monitor blood glucose during the antibiotic course and counsel the patient on hypoglycemia symptoms. Change to a non-quinolone antibiotic if dysglycemia occurs.
What other medicines interact with Metformin-pioglitazone?
MediHelp also lists interactions of Metformin-pioglitazone with, for example, Contrast media, Diatrizoate meglumine / diatrizoate, Diatrizoate. The full list is on the Metformin-pioglitazone page.
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