Pill Imprint 521
This purple elliptical / oval pill with imprint 521 on it has been identified as: Sinemet cr 50 mg / 200 mg.
This medicine is known as Sinemet CR (generic name: carbidopa/levodopa). It is available as a prescription only medicine and is commonly used for GTP-CH Deficiency, Neuroleptic Malignant Syndrome, Parkinson's Disease, Restless Legs Syndrome.