Lorazepam
(lor-az´ĕ-pam) a benzodiazepine used as an antianxiety agent, sedative-hypnotic, preanesthetic medication, and anticonvulsant.
Lorazepam is used for the management of anxiety disorders, the short-term relief of symptoms of anxiety or anxiety associated with depression. The effectiveness of lorazepam and other benzodiazepines has not been adequately studied for treatment beyond 4 months. Lorazepam is effective for insomnia, panic attacks, and is used in combination with other medications to prevent nausea and vomiting resulting from chemotherapy. Lorazepam also is administered before anesthesia and used for prevention and treatment of alcohol withdrawal.
Side Effects: The most common side effects associated with lorazepam are sedation (15.9% of patients), dizziness (6.9% of patients), weakness, and unsteadiness. Other side effects include a feeling of depression, loss of orientation, headache, and sleep disturbance.
• For I.V. use, dilute with equal volume of compatible diluent, such as normal saline solution or dextrose 5% in water. Keep resuscitation equipment and oxygen at hand.
Give each 2 mg of I.V. dose slowly, over 2 to 5 minutes. Don’t exceed rate of 2 mg/minute.
Lorazepam (aka Ativan): Two milligrams administered intravenously at 2 a.m. Two more milligrams administered intravenously at 5 a.m.
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