Each Ativan (lorazepam) tablet, to be taken orally, contains 0.5 mg, 1 mg, or 2 mg of [see USP Controlled Room Temperature]. . However, an increased risk of congenital malformations associated with the use of minor tranquilizers (chlordiazepoxide, diazepam, and . round, white, imprinted with WATSON, 240 0.5....