Drug interactions
Gemifloxacin + Metformin-pioglitazone
Severity: Moderate
Gemifloxacin 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 diabetic patients taking oral antidiabetic drugs or insulin. Severe cases have occurred, especially in older patients or those with renal impairment.
What this interaction means in plain words
Gemifloxacin 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.
Gemifloxacin belongs to Anti Bacterial; Metformin-pioglitazone belongs to Endocrine.
Why it happens
Fluoroquinolone effects on pancreatic beta-cell insulin release lead to dysglycemia, adding to antidiabetic drug effects.
What to do
Monitor blood glucose closely during the antibiotic course and educate the patient on hypoglycemia symptoms. Stop the fluoroquinolone and switch if significant 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 Gemifloxacin
- Arsenic trioxide + Gemifloxacin Contraindicated
- Dofetilide + Gemifloxacin Contraindicated
- Gemifloxacin + Ibutilide Contraindicated
- Gemifloxacin + Pimozide Contraindicated
- Gemifloxacin + Thioridazine Contraindicated
- Gemifloxacin + Vandetanib Contraindicated
Frequently asked questions
Can I take Gemifloxacin with Metformin-pioglitazone?
MediHelp rates the interaction as moderate. Gemifloxacin 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 diabetic patients taking oral antidiabetic drugs or insulin. Severe cases have occurred, especially in older patients or those with renal impairment.
How serious is the interaction between Gemifloxacin 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 educate the patient on hypoglycemia symptoms. Stop the fluoroquinolone and switch if significant 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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