Ativan 1mg Tablet is a prescription medicine used to treat anxiety disorders such as generalized anxiety disorder (excessive worry or restlessness), obsessive-compulsive disorder (OCD), panic attacks, and social phobias. Lorazepam is a benzodiazepine that works in the brain to relieve symptoms of anxiety. Benzodiazepines are central nervous system (CNS) depressants, which are medicines that slow down the nervous system. This medicine is available only with your doctor's prescription. Ativan (lorazepam) is indicated for the management of anxiety disorders or for the short-term relief of the symptoms of anxiety or anxiety associated with depressive symptoms. Ativan (lorazepam) is a prescription medication used for anxiety, insomnia, and seizures. Learn about side effects, dosage, uses, and more. Ativan is used to treat anxiety, seizures, and other conditions in adults. Find out what the recommended dosages are, how to use the drug, and more. Lorazepam is in a group of drugs called benzodiazepines and is used to treat anxiety disorders. Learn about side effects, interactions and indications. Ativan is a benzodiazepine used to treat anxiety disorders or anxiety associated with depression. Learn about side effects, interactions and indications. Lorazepam, sold under the brand name Ativan among others, is a benzodiazepine medication that possesses anxiolytic, hypnotic, and anticonvulsant properties. [15] A single 1 mg dose of Ativan (lorazepam) produces noticeable calming and sedative effects for about 6 to 8 hours. The drug reaches its strongest effect roughly 2 hours after you take it, then gradually tapers off. It works by calming the brain and nerves, which helps lower anxiety and stop seizures. People take it by mouth as a tablet, capsule, or liquid, or it can be given as a shot in a hospital setting.