As a chemical, caffeine increases production of urine, which means caffeine is a diuretic. But most research suggests that the fluid in caffeinated drinks balances the diuretic effect of typical caffeine levels. High doses of caffeine taken all at once may increase the amount of urine the body makes.

Understanding the Context

This is more likely if you aren't used to caffeine. Caffeinated drinks are available for every ... AOL: The 6 Best Natural Diuretic Foods and Drinks, According to a Dietitian The 6 Best Natural Diuretic Foods and Drinks, According to a Dietitian Caffeine can be part of a healthy diet for most people. However, too much may be dangerous for your health.

Key Insights

Caffeine before bed can reduce sleep quality and make falling or staying asleep harder. Caffeine has its perks, but it can pose problems too. Find out how much is too much and if you need to cut down. Find out how much caffeine is in coffee, tea, soda and energy drinks. You may be getting more caffeine than you think you are.

Final Thoughts

Lieberman HR, et al. Daily patterns of caffeine intake and the association of intake with multiple sociodemographic and lifestyle factors in U.S. adults based on the NHANES 2007-2012 surveys. How does caffeine affect blood pressure? Caffeine may cause a brief rise in your blood pressure, even if you don't have high blood pressure. This short-term spike in blood pressure happens mainly in people who don't drink caffeine often, rather than in those who do.

Still, the blood pressure response to caffeine differs from person to person.