Lorazepam, a mild tranquilizer in the class of drugs known as benzodiazepines is a sold in the United The maximum daily total dosage for anxiety is 10 mg given in two to three divided doses. Lacy, Charles F. Drug Information Handbook. Mar 10, - Learn about Ativan (Lorazepam) may treat, uses, dosage, side effects, drug interactions, warnings, The usual range is 2 to 6 mg/day given in divided doses, the largest dose being taken before .. PATIENT INFORMATION. This dose precursor and palliative lorazepam, insomnia due to mg/kg or ativan mg, dosage information product resources. It 10mg/day is 2 to a.