What is Nourianz? Uses, warnings & side effects

Updated May 14, 2025  •  Published Jun 17, 2021

Nourianz overview

BRAND NAMES:

  • Nourianz

Generic Names:

  • Nourianz

Uses:

  • Used with carbidopa/levidopa to treat Parkinson's disease in patients who are having "off" episodes.

Therapeutic Classes:

  • Antiparkinsonian

Forms:

  • Tablet

How it’s taken:

  • By mouth

What is Nourianz used for?

What form(s) does Nourianz come in?

  • Tablet

What are common Nourianz dosages?

  • Tablet 20MG

  • Tablet 40MG

Nourianz images - What does Nourianz look like?

  • Nourianz
    20mg tablet

  • Nourianz
    40mg tablet

How to take Nourianz

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

What to do if you miss a dose of Nourianz

Nourianz contraindications - Who shouldn't take Nourianz?

  • This medicine is not right for everyone. Do not use it if you are allergic to istradefylline.

Nourianz warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, or a history of dyskinesia (trouble controlling movements) or mental illness. Tell your doctor if you smoke.

  • This medicine may cause the following problems:DyskinesiaUnusual changes in thoughts or behavior, including the urge to gamble or an increased sex drive

  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Nourianz interactions & what to avoid when taking Nourianz

  • Some medicines can affect how istradefylline works. Tell your doctor if you are using atorvastatin, carbamazepine, clarithromycin, digoxin, itraconazole, ketoconazole, midazolam, phenytoin, rifampin, or St John's wort.

Nourianz side effects - How does Nourianz make you feel?

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Compulsive behavior or intense urges you cannot control

  • Jerky muscle movement you cannot control (often in your face, tongue, or jaw)

  • Unusual behavior, mood changes, seeing or hearing things that are not there, or thoughts of hurting yourself

Less Serious Side Effects

  • Constipation, nausea

  • Trouble sleeping

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