Mar 9, - Detailed Lorazepam dosage information for adults, the elderly and children. Applies to the following strengths: 1 mg; 2 mg; mg; 4 mg/mL;. Medscape - Anxiety, status epilepticus, sedation-specific dosing for Ativan, Lorazepam Intensol (lorazepam), effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Brand and Other Names:Ativan mg PO/IV q6hr; PRN thereafter .. Dosing Calculator. Preparations include Ativan or generic tablets, , 1, and 2 mg, and solution, , 1, or 2 A relative dose for the infant was calculated at up to about 5 (survey in Bennett ). . Stephen Curran, in Side Effects of Drugs Annual,