Can Caffeine Cause Anxiety?

Key Takeaways

Caffeine can cause anxiety, especially in people who are sensitive to caffeine or already have anxiety.

Withdrawal from caffeine can also cause anxiety, though it usually goes away on its own.

You can manage caffeine anxiety by limiting your intake, switching to decaf, and practicing calming techniques.

Caffeine can cause anxiety in some people. While many enjoy caffeine for its energy-boosting effects, it’s also a stimulant that can trigger anxiety symptoms—especially in higher amounts or in people who are more sensitive.

How Caffeine Affects Your Brain

Caffeine is a psychoactive stimulant that works by blocking a chemical in your brain called adenosine, which normally helps you feel calm and sleepy. When caffeine blocks adenosine, it keeps you alert—but it also stimul