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  5. Theophylline and Ciprofloxacin

INTERACTION STATUS
Monitor Closely
Theophylline
Ciprofloxacin
Clinical Summary

Theophylline may increase the effects of Ciprofloxacin; monitor for side effects.

Important Considerations

Ciprofloxacin can increase the serum levels of Theophylline.

Increased Theophylline levels may lead to toxicity.

Monitor for increased side effects such as nausea or arrhythmias.

Consider dose adjustments and close monitoring during concurrent use.

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Medical Analysis
Mechanism

Ciprofloxacin can inhibit the metabolism of Theophylline, leading to increased levels of Theophylline in the bloodstream. This happens through the inhibition of cytochrome P450 enzymes, particularly CYP1A2, which are responsible for the metabolism of Theophylline. When Theophylline levels rise, it may lead to increased side effects, including central nervous system stimulation, gastrointestinal disturbances, and cardiovascular effects. Clinicians should be vigilant during concurrent use of these medications and consider therapeutic drug monitoring to prevent Theophylline toxicity.

Clinical Impact & Risks

Potential for increased side effects such as tachycardia, seizures, nausea, and arrhythmias.

Management & Recommendations

Monitor Theophylline levels and adjust the dose if necessary. Educate patients to report any unusual side effects promptly.

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The content on SafeTo is for informational purposes only and does not constitute medical, veterinary, or professional advice. Always consult with a qualified professional for specific concerns.

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