Dosage form: tablet
Drug class:Dopaminergic antiparkinsonism agents
Medically reviewed by Drugs.com. Last updated on May 1, 2021.
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Carbidopa Tablets
Rx Only
When carbidopa is to be given to carbidopa-naive patients who are being treated with levodopa, the two drugs should be given at the same time, starting with no more than 20 to 25% of the previous daily dosage of levodopa when given without carbidopa. At least twelve hours should elapse between the last dose of levodopa and initiation of therapy with carbidopa and levodopa. See the WARNINGS and DOSAGE AND ADMINISTRATION sections before initiating therapy.
Carbidopa Tablets Description
Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to yellowish white powder, slightly soluble in water, very slightly soluble in ethanol (96%), practically insoluble in methylene chloride, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C10H14N2O4•H2O and its structural formula is: