What can happen if you drink alcohol 10 hours after.50 mg of ativan (lorazepam)? stop breathing?

Dangerous: Drinking alcohol while taking Ativan (lorazepam) may increase your risk of certain Ativan (lorazepam) side effects, such as: drowsiness dizziness problems with coordination unusual behavior memory problems. It may also slow both the heart and breathing, which can cause you to pass out, have difficulty breathing, or even lead to death.