True regarding orphan drug is
Orphan drugs are used for rare diseases(orphan diseases)-affecting less than 2 lakh people.oraphan drug used to treat orphan disease for orphan patient. Eg: N acetylcysteine, Deferiprone, Fomepizole,Anagrelide, erythropoietin. Ref: K.D.Tripati.7th ed. Pg 5
Rare drug for common disease
Used rarely
Used for rare diseases
Used for orphans
General pharmacology