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  2. L-DOPA - Wikipedia

    en.wikipedia.org/wiki/L-DOPA

    L-DOPA is used medically under the name levodopa in the treatment of Parkinson's disease and certain other medical conditions. It is usually used in combination with a peripherally selective aromatic L-amino acid decarboxylase (AAAD) inhibitor such as carbidopa or benserazide. These agents increase the strength and duration of levodopa.

  3. Levodopa - Wikipedia

    en.wikipedia.org/wiki/Levodopa

    Levodopa crosses the protective blood–brain barrier, whereas dopamine itself cannot. [3] [4] Thus, levodopa is used to increase dopamine concentrations in the treatment of Parkinson's disease, Parkinsonism, dopamine-responsive dystonia and Parkinson-plus syndrome. The therapeutic efficacy is different for different kinds of symptoms.

  4. Management of Parkinson's disease - Wikipedia

    en.wikipedia.org/wiki/Management_of_Parkinson's...

    Levodopa (or L-DOPA) has been the most widely used treatment for over 30 years. [3] L-DOPA is transformed into dopamine in the dopaminergic neurons by dopa-decarboxylase. [3] Since motor symptoms are produced by a lack of dopamine in the substantia nigra, the administration of L-DOPA temporarily diminishes the motor symptoms. [3]

  5. Parkinson's disease - Wikipedia

    en.wikipedia.org/wiki/Parkinson's_disease

    [170] [171] [note 1] Symptoms may become unresponsive to levodopa, with sudden changes between a state of mobility ("ON time") and immobility ("OFF time"). [173] Long-term levodopa use may also induce dyskinesia and motor fluctuations. Although this often causes levodopa use to be delayed to later stages, earlier administration leads to ...

  6. Dopamine-responsive dystonia - Wikipedia

    en.wikipedia.org/wiki/Dopamine-responsive_dystonia

    In those with dopamine-responsive dystonia, symptoms typically dramatically improve with low-dose administration of levodopa, which is a biochemically significant metabolite of the amino acid phenylalanine, as well as a biological precursor of the catecholamine dopamine, a neurotransmitter. (Neurotransmitters are naturally produced molecules ...

  7. Carbidopa/levodopa - Wikipedia

    en.wikipedia.org/wiki/Carbidopa/levodopa

    Carbidopa/levodopa, also known as levocarb and co-careldopa, is the combination of the two medications carbidopa and levodopa. [6] It is primarily used to manage the symptoms of Parkinson's disease, but it does not slow down the disease or stop it from getting worse. [6] It is taken by mouth. [6]

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