Carisol 350mg  tablet is used to relax muscles and relieve pain and discomfort caused by strains, sprains, and other muscle injuries. It is generally prescribed along with rest and physical therapy. Some of the side effects of this medicine are excessive drowsiness, dizziness, headache, insomnia, and a sudden drop in your blood pressure. Carisoprodol is a muscle relaxer that blocks pain sensations between the nerves and the brain.