close Video

NEW You can now listen to Fox News articles!

For many people, the day doesn’t start until coffee does. But if you take prescription drugs or supplements, that caffeine hit might do more than perk you up: it can alter how your body absorbs medication, amplify side effects or dull a drug’s impact.

ENERGY DRINKS FACE NEW RESTRICTIONS ABROAD: COULD THE US BE NEXT IN LINE?

Here’s how caffeine interacts with different types of medications, and how to time your coffee to stay in the clear.

Medications that affect heart rate and blood pressure

Caffeine itself raises heart rate and blood pressure temporarily, so pairing it with drugs that influence the cardiovascular system can create unwanted overlap.

Blood thinners

Caffeine can affect how blood clots in the same way blo

See Full Page