01/13/2026
Does coffee/caffeine cause acid reflux? Caffeine is a stimulant that, at doses over 200 mg, can relax the lower esophageal sphincter and trigger acid reflux. A typical cup of coffee has about 90 mg. Side effects of caffeine include anxiety, rapid heart rate, shakiness, insomnia, headaches, dizziness, dehydration, and dependency.
Caffeine isn’t just in coffee—sodas and energy drinks can contain up to 500 mg, making them especially potent. Additionally, coffee itself (even decaf) can trigger reflux in 5–10% of people, regardless of caffeine.
Learn more: https://jamiekoufman.com/does-coffee-caffeine-cause-acid-reflux/
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