Some of the drugs that can potentially interact with lorazepam (Ativan®) include alcohol, barbiturates, and narcotics. Drug interactions with lorazepam can increase your risk of side effects such as confusion, memory loss, and difficulty breathing. Therefore, it is important to talk with your healthcare provider about any lorazepam drug interactions that may apply to you.
Also, because mixing anesthetics with lorazepam can potentially increase your risk of serious side effects, it is important that you tell your healthcare providers that you are taking lorazepam prior to undergoing a surgical procedure.