Each white, scored, oblong tablet, engraved with Ativan on one side and 1 on the other side, contains lorazepam 1 mg. Nonmedicinal ingredients: lactose. Mar 1, - Lorazepam official prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions, pharmacology and. Lorazepam 1mg Tablets - Patient Information Leaflet (PIL) by Genus Pharmaceuticals.