Mainland Portugal Mainland Portugal Percentage of used orphan medication (a) Calculated by INFARMED for mainland Portugal. b) Not available Source: INFARMED, 2008. (a) Calculated by INFARMED for mainland Portugal. b) Not available Source: INFARMED, 2008. The percentage of used orphan medication, increased between 2005 and 2008, from 44,8% to 57,1%. go to top