Senior Health Home > Carbidopa

When and How to Take It

General considerations for when and how to take this medication include the following:
  • This drug comes in tablet form and is taken by mouth.
  • The protein in food can decrease the absorption of carbidopa into the body. Some healthcare providers recommend taking this medicine on an empty stomach (or with a low-protein diet).
  • Carbidopa tablets can be split in half if necessary.
  • Make sure to take it at the same times each day to maintain an even level of medicine in your blood.
  • For the medication to work properly, it must be taken as prescribed. Carbidopa will not work if you stop taking it. Do not stop taking the drug suddenly without first talking to your healthcare provider.

Dosing Information for Carbidopa

The dosage that your healthcare provider recommends will vary, depending on a number of factors, including:
  • Your current dose of levodopa and other carbidopa products
  • How you respond to carbidopa
  • Other medications you are taking
  • Other medical conditions you may have.
As is always the case, do not adjust your dose unless your healthcare provider specifically tells you to do so.
(Click Carbidopa Dosage for more information.)

Drug Interactions

Carbidopa (when combined with levodopa) can potentially interact with a number of other medicines (see Drug Interactions With Carbidopa).

What If I Take an Overdose?

People who take too much carbidopa may experience symptoms such as:
If you happen to take too much carbidopa, seek medical attention immediately.
(Click Lodosyn Overdose for more information.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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