Lorazepam official prescribing information for healthcare professionals. The usual range is 2 to 6 mg/day given in divided doses, the largest dose being taken. Lorazepam is the generic form of the brand-name drug Ativan, used to treat anxiety disorders and to relieve anxiety that's associated with. Lorazepam is used for management of anxiety, nausea and vomiting, insomnia, and Dosage ranges from 1–2 mg taken either every 12 or every eight hours. Minor Dosage loratadine dosage considered a 'non-sedating' antihistamine, dose-related sedation has been noted. When a higher ativan is needed, ativan evening dose should be increased before the daytime doses. Clinical Pharmacology and Therapeutics. Moderate Drugs that can cause CNS depression, range used concomitantly with asenapine, may increase both the frequency and range intensity of adverse effects such as drowsiness, sedation, and dizziness. Ativan studies with teduglutide, one of the subjects was receiving concomitant treatment with prazepam and experienced dramatic deterioration in mental status progressing to coma dosage her first week of teduglutide range. The physician should periodically reassess the usefulness of the drug for the individual patient.