Common Side Effects of Ativan (lorazepam)

Use of Ativan

This medication is used to treat anxiety. Lorazepam belongs to a class of drugs known as benzodiazepines which act on the brain and nerves (central nervous system) to produce a calming effect. 

Overdose

If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222

Symptoms

Symptoms of overdose may include confusion, slow reflexes, clumsiness, deep sleep, and loss of consciousness.

This medication may cause withdrawal reactions, especially if it has been used regularly for a long time or in high doses (more than 1-4 weeks) or if they have a history of alcoholism, drug abuse, or personality disorder. Withdrawal symptoms (such as seizures, trouble sleeping, mental/mood changes, nausea, vomiting, diarrhea, loss of appetite, stomach pain, hallucinations, numbness/tingling of arms and legs, muscle pain, fast heartbeat, short-term memory loss, very high fever, and increased reactions to noise/touch/light) may occur if they suddenly stop using this medication. Report any withdrawal reactions right away.