She has been a member of the Swedish national team since her debut against Romania in September 2008, and played the 2009 European Championship. She subsequently took part in the 2011 World Cup qualifying, but was not called for the final tournament.
Nicknamed Lollo, she signed a two-year extension to her Linköpings contract in October 2011.
On the 12 December 2012 it was announced that Louise had signed a contract with Liverpool. On September 29th, 2013, in the end-of-season decider 2-0 win against Bristol, Louise scores Liverpool's first goal from the penalty spot and helps LFC Ladies clinched their first FA Women's Super League title.