Parkinson’s disease is incurable, but certain medications help control symptoms, making the disease more tolerable and less painful. Medications may help manage pain involved with walking, movement and as well as slow or stop tremors. These medications increase or substitute for dopamine, a specific signaling chemical (neurotransmitter) in the brain. According to research done by Murdock, Cousins, and Kernohan, people with Parkinson’s disease have low brain dopamine concentrations so physicians specifically look for drugs that contain dopamine. Dopamine can’t be given directly because it cannot enter the brain; therefore, Carbidopa-Levodopa is the most effective Parkinson’s disease medication because Levodopa is a natural chemical that passes
