The two-time Ballon d’Or winner and 2002 World Cup Golden Boot winner, according to Newspaper Diario de Ibiza, is currently in the intensive care unit at the private Policlinica Nuestra Senora del Rosario hospital.
Reports has it that Football star is presenting recovering.
The former Barcelona and Real Madrid player remains in intensive care and but was “evolving favourably”, unnamed hospital sources told the newspaper.
Ronaldo, who was on holiday in Ibiza when he was taken ill, retired from football in 2011 following a hugely successful career.
He featured stints at PSV Eindhoven, Barcelona, Inter Milan, AC Milan, Brazilian sides Corinthians and Cruzeiro as well as Real Madrid, where he is a club ambassador.
He picked up the Ballon d’Or award for the best player in the world in 1997 and 2002.
He won two La Liga titles with Real, the UEFA Cup with Inter and lifted the World Cup in 1994 and 2002 with Brazil, also reaching the tournament’s final in 1998.