He has been left out of the Sweden squad to face Norway, and it looks like a world cup appearance may not be possible. Blomqvist will also miss Everton's game against Leicster on Saturday.
Sweden squad: Magnus Hedman (Coventry), Magnus Kihlstedt (FC Copenhagen), Tomas Antonelius (FC Copenhagen), Andreas Jakobsson (Hansa Rostock), Pontus Kåmark (IFK Gothenburg), Teddy Lucic (AIK), Olof Mellberg (Aston Villa), Johan Mjällby (Celtic), Michael Svensson (Troyes), Niclas Alexandersson (Everton), Marcus Allbäck (Heerenveen), Daniel Andersson (Venezia), Zlatan Ibrahimovic (Ajax), Marcus Lantz (Hansa Rostock), Andreas Andersson (AIK), Henrik Larsson (Celtic), Tobias Linderoth (Everton), Fredrik Ljungberg (Arsenal), Stefan Selakovic (Heerenveen), Anders Svensson (Southampton), Magnus Svensson (Bröndby).