Ativan is a Schedule 4 controlled substance; still, you can buy Ativan Online without a prescription. It is clinically safe for use and FDA-approved medication. The World Health Organization records Ativan in the list of essential medicines to treat anxiety disorder. In the United States, Ativan was the 58th most frequently prescribed medication, with more than 13 million prescriptions in 2018. The fast-acting nature which helps to cure disorders rapidly makes Ativan one of the most prescribed medications.