Parkinson’s disease is a long-term degenerative disease that affects the central nervous system. To date, there is no cure for the condition, but there are medications and therapies available to address some of the symptomsand improve quality of life for patients.

Here are eight of the main drugs and therapies used in the treatment of Parkinson’s disease,

1. Carbidopa-levodopa: Levodopa is a naturally occurring chemical which can enter the brain and be converted to dopamine when combined with carbidopa. The carbidopa also prevents the levodopa from converting into dopamine before it enters the brain.

 

The is one of the most effective treatments for Parkinson’s although after long-term use, the effects start to fluctuate.

Some people may experience side effects such as nausea, feeling lightheaded, and making sudden involuntary movements.

2. Carbidopa-levodopa infusion: In 2015, the FDA approved Duopa, which is a combination of carbidopa and levodopa in a gel form which is administered via a feeding tube into the small intestine.

Duopa is generally given to patients with advanced Parkinson’s disease whose response to carbidopa-levodopa is varied. The drug is infused continuously so the level of the drugs remains constant.

The risks associated with Duopa are infections at the site of the feeding tube and the tube falling out.

3. Dopamine agonists: Dopamine agonist mimic the effects of dopamine in the brain. They are generally not as effective as levodopa but the effects last longer and they can be used in conjunction with levodopa to counter any fluctuation in efficiency.

These medications can be administered through a patch, oral medications or as an injection. The side effects are also nausea and lightheadedness, but may also cause drowsiness, hallucinations and compulsive behaviors such as gambling, overeating, and hypersexuality — which will need to be addressed by a doctor.

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