Ativan is the brand name for the medication lorazepam, which is a prescription benzodiazepine. It is primarily used for the short-term treatment of anxiety disorders and for the management of anxiety symptoms associated with other conditions, such as insomnia or alcohol withdrawal.

Ativan works by enhancing the effects of a neurotransmitter called gamma-aminobutyric acid (GABA) in the brain, which helps to reduce excessive neuronal activity and promote relaxation and calmness. It has a rapid onset of action, making it useful for relieving acute anxiety symptoms.

Due to its potential for abuse and dependence, Ativan is classified as a controlled substance. It should only be used under the supervision of a healthcare professional and as prescribed. Ativan is typically prescribed for short-term use due to the risks associated with long-term benzodiazepine use, including tolerance, dependence, and withdrawal symptoms.

Common side effects of Ativan may include drowsiness, sedation, dizziness, impaired coordination, and memory problems. It can also cause more severe side effects, such as respiratory depression, especially when taken in high doses or combined with other substances that depress the central nervous system, such as alcohol.