Drug interactions
Ciprofloxacin + Green tea
Severity: Minor
Ciprofloxacin and Green tea: minor 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
Green tea contains caffeine, and ciprofloxacin reduces caffeine clearance, which can increase caffeine effects such as insomnia, jitteriness and palpitations. The effect is generally modest unless intake is high.
What this interaction means in plain words
Ciprofloxacin and Green tea have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ciprofloxacin belongs to Anti Bacterial; Green tea belongs to Gastrointestinal Tract.
Why it happens
Ciprofloxacin inhibits CYP1A2, the main enzyme metabolizing caffeine.
What to do
Advise patients to limit large amounts of green tea and other caffeinated products during ciprofloxacin therapy. Reduce intake if tremor, anxiety or palpitations develop.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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
Other interactions of Green tea
- Adenosine + Green tea Moderate
- Benzphetamine + Green tea Moderate
- Bortezomib + Green tea Moderate
- Dextroamphetamine + Green tea Moderate
- Diethylpropion + Green tea Moderate
- Ephedrine + Green tea Moderate
Frequently asked questions
Can I take Ciprofloxacin with Green tea?
MediHelp rates the interaction as minor. Ciprofloxacin and Green tea have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Green tea contains caffeine, and ciprofloxacin reduces caffeine clearance, which can increase caffeine effects such as insomnia, jitteriness and palpitations. The effect is generally modest unless intake is high.
How serious is the interaction between Ciprofloxacin and Green tea?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients to limit large amounts of green tea and other caffeinated products during ciprofloxacin therapy. Reduce intake if tremor, anxiety or palpitations develop.
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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