The paper provides information about the tax treatment given to personalhealth expenditures in the Personal Income Tax in Spain, and analyseswhat we know about it and how the tax credit or other forms ofpreferential tax treatment can contribute to the financement of privatehealth expenditures, of special relevance in view of the recent PersonalIncome Tax modification proposals . It also points out some of the mainredistributive results coming out from this type of public financement,differentiating between types of expenditures (mainly those on healthservices which are not provided by the public health system, from thosewhich are).