Do not drink alcohol while taking Xanax. This medication can increase the effects of alcohol. Xanax can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Grapefruit and grapefruit juice may interact with Xanax and lead to potentially dangerous effects. Discuss the use of grapefruit products with your doctor. Do not increase or decrease the amount of grapefruit products in your diet without first talking to your doctor.