Get 10% Discount Apply Coupon Code "USA10" It works by enhancing the actions of the neurotransmitter gamma-aminobutyric acid in the brain. GABA is an inhibitory neurotransmitter that helps to regulate brain activity, and lorazepam's increased effects of this neurotransmitter are responsible for its soothing and relaxing effects. It's important to keep in mind that ativan can cause dependence and withdrawal symptoms, therefore even while it can be helpful in treating some disorders, it should only be used sparingly. Tolerance, addiction, and physical dependency can arise from the overuse or continuous use of benzodiazepines.