Active substance

Istradefylline

2 products from 1 companies contain this in United States.

2 prescription onlyTablet, Film Coated

Prescription only

Nourianz20 mgPrescription onlyTablet, Film Coated Kyowa Kirin, Inc. · Istradefylline Nourianz40 mgPrescription onlyTablet, Film Coated Kyowa Kirin, Inc. · Istradefylline

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.