If you're struggling with anxiety disorders, you may have heard that Buy Ativan Online , Ativan, also known as lorazepam, is a prescription medication used to treat insomnia, seizures, and alcohol withdrawal. It works by enhancing the effects of a neurotransmitter in the brain called GABA, resulting in a calming effect. Ativan is available in tablet forms such as 1mg and 2mg, and should only be taken as directed by a healthcare provider.