does carbidop/levodopa cause hallucinate
1 Carbidopa-levodopa-entacapone can cause hallucinations (seeing, hearing, or feeling things that are not there). 2  Let your healthcare provider know if you develop hallucinations while taking the drug. Stopping the medication too quickly can cause a dangerous condition known as neuroleptic malignant syndrome (NMS). 2  Do not stop taking carbidopa-levodopa-entacapone without your healthcare provider's approval and supervision.