Caffeine Effects: Withdrawal, Sleep & Health Impact

Caffeine impacts everything from sleep quality to concentration and heart rate. Learn how long withdrawal takes, the diuretic effects on the body, and the potential risks of taking caffeine tablets with medication or alcohol.

Does Caffeine Affect Ativan?

Published Oct,21 2011 | By Shelley Moore

Lorazepam, available under the brand name Ativan, is a powerful prescription medication classified as a benzodiazepine. It slows activity in the brain with sedating properties. Caffeine, in contrast, is a stimulant, and consuming large amounts may counteract some effects of Ativan.