Does Caffeine Interact with Any Medications?

Yes, caffeine can interact with over 80 different medications, potentially altering their effectiveness or increasing side effects. Caffeine interferes with how your liver processes certain drugs, particularly affecting medications metabolized by the CYP1A2 enzyme system. Common interactions include blood thinners like warfarin, where caffeine can increase bleeding risk, and certain antibiotics like ciprofloxacin, which can triple caffeine levels in your blood. Psychiatric medications, heart medications, and bronchodilators also show significant interactions. Even moderate caffeine intake of 200-400mg daily can affect drug absorption and metabolism rates.

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