Medicine Name: Syndopa CR 125 Tablet. Composition: Levodopa (100mg) + Carbidopa (25mg). Side Effects: Nausea Vomiting Dryness in mouth Constipation Dizziness Sleepiness Headache Abnormal dreams Anxiety Insomnia difficulty in sleeping Abnormality of voluntary movements Orthostatic hypotension sudden lowering of blood pressure on standing.