In 2009 Löfwenius collapsed during a match and was diagnosed with cardiac dysrhythmia. Although doctors advised her to quit football, she carried on and signed for Dalsjöfors GoIF in 2010. After impressing in the 2011 Damallsvenskan season Löfwenius joined Kopparbergs/Göteborg FC ahead of 2012. She left part way through the season, for Jitex BK,[4] hoping to get more playing time.[5]
Löfwenius was born and grew up in Sweden. She gained Norwegian citizenship through marriage, and in 2023 she won her first cap for Norway.[6]
^Hansen, Ole Henrik; Kalleklev, Helge Johan Petersen (25 October 2023). "– Superglad for å få oppleve det" (in Norwegian). TV 2. Retrieved 6 November 2023.