Trierweiler's spokesman said she went to a Paris hospital to "rest", after sensational images - claiming to show Mr Hollande sneaking from liaisons with Julie Gayet - surfaced in a French magazine.
When quizzed about Ms Trierweiler's future with the socialist politician, her spokesman Patrice Biancone said: "She needs rest. Then she will decide what to do."
The 48-year-old political talk show host, who began her relationship with Hollande in 2007, will leave the hospital tomorrow, Mr Biancone added.
