This medication is used to treat anxiety, and it refers to the groups of drugs, benzodiazepines which act on the brain and nerves. Lorazepam will help a person feel calmer, and it can help reduce his feelings of anxiety; therefore, It can also make you feel sleepy. Suppose you have trouble falling asleep; lorazepam tablets and liquid start to work in around 20 to 30 minutes. Usually, this medicine is used for the short-term treatment of anxiety disorders. The intravenous form of lorazepam is used to treat seizures.buy Lorazepam online which has fewer drug interactions than other medications like it, and it is available as a tablet, liquid, and injection; therefore, it can be safely combined with antidepressants.