Ativan side effects The common side effects of Ativan include sedated state while it’s main side effect is Dizziness. The other uncommon side effects are mentioned as below:- Nausea Yellowish eyes Sore throat Unusual bleeding Severe headache Constipation Severe headache Sleepiness Confusion Dark urine Difficulty in speaking Discouragement Chills Coma https://answers.launchpad.net/ubuntu/+question/686573