Ativan is the brand name for Lorazepam, which helps to treat anxiety and sleep problems. Pharmacists also prescribe ativan to, epileptic patients, in some cases. You can Buy Ativan Online if you have been diagnosed with a similar condition. Ativan belongs to the benzodiazepine class of medications, which work to reduce brain overactivity. You can take Ativan with a few other drugs, but the doctor recommends, that you inform your doctor about your medical history so that the proper dosage can be prescribed.