

Carbidopa is a prescription drug used to treat Parkinson's disease and Parkinsonism due to other causes. This eMedTV page covers carbidopa uses in more detail, describes the drug's effects, and explains what you should know before starting treatment.
Cough, gas, and headache are bothersome but usually not serous side effects of carbidopa (plus levodopa). This eMedTV article lists other potential levodopa and carbidopa side effects, including serious problems that require medical attention.
Carbidopa is used for treating Parkinson's disease and Parkinson-like symptoms due to other causes. This eMedTV resource covers carbidopa uses in more detail and explains how the drug works to delay the conversion of levodopa into dopamine.
Most people need a carbidopa dosage of 70 to 100 mg daily to avoid nausea and vomiting due to levodopa. This eMedTV Web page contains more carbidopa dosing guidelines and provides tips and precautions for taking the medication.
Isoniazid, iron, and MAOIs may potentially cause drug interactions with carbidopa. As this eMedTV page explains, carbidopa itself may not interact with other drugs, but it is always used with levodopa, a drug that is likely to cause interactions.
Carbidopa, combined with levodopa, can cause involuntary muscle movements called dyskinesias. This eMedTV segment provides more precautions and warnings with carbidopa, including a list of other side effects or complications that may occur.
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