Levodopa

Definition

Levodopa is a medication commonly used to treat Parkinson's disease by replenishing dopamine levels in the brain. It is often combined with carbidopa to increase its effectiveness and reduce side effects.

5 Must Know Facts For Your Next Test

1. Levodopa is the most effective treatment for managing motor symptoms of Parkinson's disease.
2. It can be taken orally and is absorbed in the small intestine.
3. Combining levodopa with carbidopa helps prevent its breakdown before reaching the brain.
4. Long-term use of levodopa can lead to motor complications such as dyskinesia.
5. Dietary protein can interfere with levodopa absorption, so timing of meals and medication is important.

Review Questions

• What neurological condition is primarily treated with levodopa?
• Why is levodopa often combined with carbidopa?
• How does dietary protein affect the absorption of levodopa?

Related terms

Parkinson's Disease:

A progressive neurological disorder characterized by tremors, stiffness, and bradykinesia.

Carbidopa: A medication that inhibits the breakdown of levodopa, allowing more of it to reach the brain.

Dopamine:

A neurotransmitter involved in movement, whose deficiency in certain brain areas leads to Parkinson's symptoms.