Drug interactions
Ciprofloxacin + Insulin regular human
Severity: Moderate
Ciprofloxacin and Insulin regular human: 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 hypoglycaemia and hyperglycaemia, particularly in diabetic patients on insulin or oral agents. Severe hypoglycaemia, including coma, has been reported.
What this interaction means in plain words
Ciprofloxacin and Insulin regular human 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.
Why it happens
Fluoroquinolones alter pancreatic beta-cell insulin release, producing unpredictable glucose effects that add to insulin's actions.
What to do
Monitor blood glucose more often when starting, changing or stopping ciprofloxacin and adjust insulin doses as needed. Educate the patient on hypoglycaemia symptoms and stop ciprofloxacin if glucose becomes unstable.
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 Ciprofloxacin
- Agomelatine + Ciprofloxacin Contraindicated
- Ciprofloxacin + Fezolinetant Contraindicated
- Ciprofloxacin + Thioridazine Contraindicated
- Ciprofloxacin + Tizanidine Contraindicated
- Ciprofloxacin + Vandetanib Contraindicated
- Alosetron + Ciprofloxacin Major
Frequently asked questions
Can I take Ciprofloxacin with Insulin regular human?
MediHelp rates the interaction as moderate. Ciprofloxacin and Insulin regular human 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 hypoglycaemia and hyperglycaemia, particularly in diabetic patients on insulin or oral agents. Severe hypoglycaemia, including coma, has been reported.
How serious is the interaction between Ciprofloxacin and Insulin regular human?
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 more often when starting, changing or stopping ciprofloxacin and adjust insulin doses as needed. Educate the patient on hypoglycaemia symptoms and stop ciprofloxacin if glucose becomes unstable.
What other medicines interact with Ciprofloxacin?
MediHelp also lists interactions of Ciprofloxacin with, for example, Agomelatine, Fezolinetant, Thioridazine. The full list is on the Ciprofloxacin page.
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