Definition

1. Noun:
   • A medication for Parkinson's disease: Levodopa is a chemical compound that is converted into dopamine in the brain. It is used as a drug to treat the symptoms of Parkinson's disease, such as tremors, stiffness, and slowness of movement.

Usage

• Levodopa is administered orally, typically in tablet or capsule form.
• It is often prescribed in combination with another drug (carbidopa) to increase its effectiveness and reduce side effects.
• The dosage of levodopa is carefully managed by a doctor, as its effects can wear off over time or cause involuntary movements.

Examples

• Noun:
  • The doctor increased her levodopa dosage to better control her Parkinson's symptoms.
  • A common side effect of long-term levodopa use is dyskinesia (involuntary movements).
  • Levodopa remains the most effective medication for managing the motor symptoms of Parkinson's disease.

Advanced Usage

• "Levodopa-induced dyskinesia": Refers to the involuntary, erratic movements that can develop as a side effect of long-term levodopa therapy.

  • Managing levodopa-induced dyskinesia is a significant challenge in advanced Parkinson's care.

• "Levodopa-carbidopa combination therapy": The standard treatment where carbidopa is added to prevent levodopa from being broken down before it reaches the brain, allowing for a lower and more effective dose.

  • He was switched to a levodopa-carbidopa combination to improve symptom control with fewer side effects.

Variants and Related Words

• L-Dopa: A common abbreviation and synonym for levodopa.
• Dopamine agonist (noun): A different class of Parkinson's drugs that mimic the effect of dopamine rather than being converted into it. Often used alongside or instead of levodopa.
• Carbidopa (noun): A drug almost always combined with levodopa to enhance its efficacy.

Synonyms

• L-Dopa: The abbreviated chemical name.
• Bendopa, Brocadopa, Larodopa: Historical trade names for levodopa preparations (now less commonly used).

Related Medical Terms

• "On-off phenomenon": A complication of long-term levodopa treatment where a patient's mobility fluctuates rapidly between good response ("on" periods) and poor response ("off" periods).
  • Her levodopa therapy was complicated by the development of the on-off phenomenon.

Noun

1. the levorotatory form of dopa (trade names Bendopa and Brocadopa and Larodopa); as a drug it is used to treat Parkinson's disease