DDCIs are used to treat Parkinson's disease. They work by preventing the breakdown of levodopa before it reaches the brain.

Why are
DDCIs
prescribed?

How is this chart calculated?

How we make this chart

This chart is created by aggregating the total number of claims for the drugs in this class divided by the # of drugs with a specific indication. It is meant to be representative but may not accurately reflect the actual # of prescriptions written to treat a specific condition.

Prices for Popular DDCIs

Popularity Brand Name (Generic Name) GoodRx Fair Price Price Trend
Sinemet
(carbidopa/levodopa)
16
See Prices
CARBIDOPA;LEVODOPA (kar bi DOE pa; lee voe DOE pa) is used to treat the symptoms of Parkinson's disease.
Parcopa
(carbidopa/levodopa)
16
See Prices
CARBIDOPA;LEVODOPA (kar bi DOE pa; lee voe DOE pa) is used to treat the symptoms of Parkinson's disease.
Sinemet CR
(carbidopa/levodopa er)
43
See Prices
CARBIDOPA; LEVODOPA is used to treat the symptoms of Parkinson's disease.
Rytary
225
See Prices
CARBIDOPA;LEVODOPA (kar bi DOE pa; lee voe DOE pa) is used to treat the symptoms of Parkinson's disease.
Lodosyn
(carbidopa)
750
See Prices
CARBIDOPA is a used to treat symptoms of Parkinson's disease. It is always given with levodopa or carbidopa levodopa combination products.
Northera
11,758
See Prices
DROXIDOPA is used to reduce dizziness, lightheadedness, or the "feeling that you are about to black out" that happens due to a drop in blood pressure when changing positions or standing.
Duopa
1,103
See Prices
CARBIDOPA;LEVODOPA (kar bi DOE pa; lee voe DOE pa) enteral suspension is used to treat certain symptoms of advanced Parkinson's disease.

Note: Popularity is based on total prescriptions for the brand and generic versions of each drug, regardless of the condition being treated. Some drugs are prescribed for multiple conditions.

Recent News

Copyright ©2016 GoodRx, Inc.

GoodRx is not sponsored by or affiliated with any of the pharmacies identified in its price comparisons. All trademarks, brands, logos and copyright images are property of their respective owners and rights holders and are used solely to represent the products of these rights holders. This information is for informational purposes only and is not meant to be a substitute for professional medical advice, diagnosis or treatment. GoodRx is not offering advice, recommending or endorsing any specific prescription drug, pharmacy or other information on the site. GoodRx provides no warranty for any of the pricing data or other information. Please seek medical advice before starting, changing or terminating any medical treatment.