"What are benzodiazepines, and how do they work?
Benzodiazepines are a class of drugs primarily used for treating anxiety, but they also are effective in treating several other conditions. The exact mechanism of action of benzodiaz"...
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Ativan (lorazepam), an antianxiety agent, has the chemical formula, 7-chloro-5-(o-chlorophenyl)-1,3-dihydro-3-hydroxy-2H-1,4-benzodiazepin-2-one:
C15H10Cl2N2O2 MW: 321.16
It is a nearly white powder almost insoluble in water. Each Ativan (lorazepam) tablet, to be taken orally, contains 0.5 mg, 1 mg, or 2 mg of lorazepam. The inactive ingredients present are lactose monohydrate, magnesium stearate, microcrystalline cellulose, polacriline potassium.
What are the possible side effects of lorazepam (Ativan)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- confusion, depressed mood, thoughts of suicide or hurting yourself;
- hyperactivity, agitation, hostility;
- hallucinations; or
- feeling light-headed, fainting.
Less serious side effects may include:
- drowsiness, dizziness, tiredness;
- blurred vision;
- sleep problems...
What are the precautions when taking lorazepam (Ativan)?
Before taking lorazepam, tell your doctor or pharmacist if you are allergic to it; or to other benzodiazepines (such as alprazolam, clonazepam, diazepam); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, liver disease, glaucoma, lung/breathing problems (such as sleep apnea), mental/mood disorders (such as depression, psychosis), drug/alcohol abuse.
This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform...
Last reviewed on RxList: 10/4/2010
This monograph has been modified to include the generic and brand name in many instances.
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