caplyta can cause serious side effects. elderly dementia patients have increased risk of death or stroke. call your doctor about fever, stiff muscles or confusion, which can mean a life-threatening reaction or uncontrollable muscle movements which may be permanent. dizziness upon standing, falls, and impaired judgment may occur. most common side effects include sleepiness and dry mouth. high cholesterol and weight gain may occur, as can high blood sugar which may be fatal. in clinical trials, weight, cholesterol and blood sugar changes were similar to placebo. if you're affected by schizophrenia, ask your doctor about caplyta from intra-cellular therapies.