Medically Reviewed by Dr. Harshi Dhingra, M.D.

Last Reviewed: Apr 25, 2023

Drug Details

Common Brands:

Sinemet, Sinemet CR, Rytary, Duopa


Prescription only

Therapeutic Class:

Levodopa is a central nervous system agent for dopamine replacement and carbidopa is a decarboxylase inhibitor.


Tablet (Sinemet), capsule (Rytary), enteral suspension (Duopa)


By mouth, by percutaneous gastrojejunostomy (PEG-J) tube

Therapeutic Uses:

Parkinson disease

Controlled Status:

Not a controlled substance

Carbidopa-Levodopa (Sinemet) Drug Class

Levodopa (lee-voh-doh-pa) is a dopamine replacement agent. Carbidopa (kar-bee-doh-pa) belongs to a group of drugs called decarboxylase inhibitors.

Carbidopa-Levodopa (Sinemet) Age Range

Carbidopa-levodopa is approved for use in adults. The safety and efficacy of this medication have not been established in pediatric patients.