Drug interactions
Levofloxacin + Metformin-pioglitazone
Severity: Moderate
Levofloxacin and Metformin-pioglitazone: 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 taking antidiabetic drugs. Severe hypoglycemia is more likely in older adults and those with renal impairment.
What this interaction means in plain words
Levofloxacin and Metformin-pioglitazone 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.
Levofloxacin belongs to Anti Bacterial; Metformin-pioglitazone belongs to Endocrine.
Why it happens
Fluoroquinolones alter pancreatic beta-cell insulin release, producing dysglycemia that is additive to the antidiabetic effect.
What to do
Monitor blood glucose closely during the antibiotic course and counsel the patient on hypoglycemia symptoms. Switch to a non-fluoroquinolone 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 Levofloxacin
- Dronedarone + Levofloxacin Contraindicated
- Ibutilide + Levofloxacin Contraindicated
- Levofloxacin + Thioridazine Contraindicated
- Levofloxacin + Vandetanib Contraindicated
- Levofloxacin + Ziprasidone Contraindicated
- Adagrasib + Levofloxacin Major
Frequently asked questions
Can I take Levofloxacin with Metformin-pioglitazone?
MediHelp rates the interaction as moderate. Levofloxacin and Metformin-pioglitazone 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 taking antidiabetic drugs. Severe hypoglycemia is more likely in older adults and those with renal impairment.
How serious is the interaction between Levofloxacin and Metformin-pioglitazone?
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 closely during the antibiotic course and counsel the patient on hypoglycemia symptoms. Switch to a non-fluoroquinolone 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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