Carbidopa

Parkinson's medicine helper
PRESCRIPTION ONLY IN INDIA

Carbidopa is a parkinson's medicine helper found in 1 medicine sold in India, such as Syndopa 110. Below: what it is for, how it works, how to take it, side effects, interactions and pregnancy advice.

What it is used for

Stops levodopa breaking down before it reaches the brain, so less is needed.

How it works

Stops levodopa being broken down outside the brain, so less is needed and nausea is reduced.

How to take it

Taken in the same tablet as levodopa.

Common side effects

As for levodopa

Get medical help straight away if

  • Sudden sleepiness during the day
  • Hallucinations or confusion
  • Strong urges (gambling, shopping, sex)
  • Fainting

Be careful

Taken only with levodopa.

Other medicines and interactions

As for levodopa.

Pregnancy and breastfeeding

As for levodopa.

Combination medicines that contain Carbidopa (1)

Syndopa 110

Common questions

What is Carbidopa used for?

Stops levodopa breaking down before it reaches the brain, so less is needed.

How does Carbidopa work?

Stops levodopa being broken down outside the brain, so less is needed and nausea is reduced.

How should I take Carbidopa?

Taken in the same tablet as levodopa.

What are the side effects of Carbidopa?

Common: As for levodopa. Get help straight away for: Sudden sleepiness during the day, hallucinations or confusion, strong urges (gambling, shopping, sex), fainting.

Does Carbidopa interact with other medicines?

As for levodopa.

Is Carbidopa safe in pregnancy and breastfeeding?

As for levodopa.

Does Carbidopa need a prescription in India?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Which brands contain Carbidopa?

Syndopa 110.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Last reviewed 31 October 2026. Written by Satya Babu from standard prescribing information.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.