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Drug Interactions between istradefylline and Sinemet CR

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

No interactions were found between istradefylline and Sinemet CR. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

istradefylline

A total of 171 drugs are known to interact with istradefylline.

Sinemet CR

A total of 483 drugs are known to interact with Sinemet CR.

Drug and food interactions

Moderate

levodopa food

Applies to: Sinemet CR (carbidopa / levodopa)

Alcohol can increase the nervous system side effects of levodopa such as dizziness, drowsiness, and difficulty concentrating. Some people may also experience impairment in thinking and judgment. You should avoid or limit the use of alcohol while being treated with levodopa. You may experience reduced effectiveness of levodopa in the presence of foods or enteral (tube) feedings with a high protein content. This may make the symptoms of Parkinson's disease worse. Talk with your doctor or nutrition counselor about the best foods to eat while you are taking this medication. Contact your doctor if your condition changes.

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Moderate

istradefylline food

Applies to: istradefylline

Smoking tobacco may reduce the blood levels and effects of istradefylline. Contact your doctor if istradefylline is not adequately controlling your symptoms. It is best to avoid smoking during istradefylline therapy. Talk to a healthcare professional if you have any questions or concerns. If you start smoking or undergo smoking cessation, your doctor may need to monitor you more closely to determine if you need a dose adjustment of istradefylline. Your doctor may already be aware of the risks and may have taken appropriate precautions including adjusting your dose and monitoring you closely for any potential complications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Moderate

levodopa food

Applies to: Sinemet CR (carbidopa / levodopa)

Levodopa and multivitamin with minerals should not be taken orally at the same time. Products that contain iron may interfere with the absorption of levodopa and reduce its effectiveness. You should separate the dosing of these medications by as much as possible. Contact your doctor if your Parkinson symptoms worsen. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

See also

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer