The woman was taken to Inca Hospital.
President Armengol visited Inca Hospital on Thursday.
Balearic Islands now has highest incidence rate in Spain and figures are forecast to continue rising by medical experts.
It was realised that morphine at Inca Hospital had gone missing.
Some 2,000 doses of morphine were found in a flat in Inca.
The accident happened just after 6pm on Tuesday in Alcúdia.