Christian Cullen (shoulder), Shaun Payne (hip), Anthony Horgan (knee) and Ian Dowling (hamstring) will all have further medical examination tomorrow to determine the seriousness of the injuries they picked up in the course of the 21-13 win over Ulster at Musgrave Park on Saturday evening.
Three second half Ronan O'Gara penalties saw Munster record their second Magners League win of the season, after they had trailed 13-12 at half time.
Their opening half tries came from David Wallace and Horgan and they arrived after the visitors had dominated the opening quarter at the end of which they led 10-0.
MUNSTER: C Cullen (T Halstead.) A Horgan (E Hickey), J Kelly, S Payne (T McGann), I Dowling; R O'Gara, P Stringer; M Horan, A Kyricou, F Pucciariello (T Ryan); D O'Callaghan, P O'Connell (capt) (M O'Driscoll); A Quinlan, D Wallace, A Foley. Replacements: F Roche, B O'Meara,
ULSTER: M Bartholomeusz; T Bowe, P Steinmetz, P Wallace, A Trimble; D Humphreys, I Boss; J Fitzpatrick, R Best, B Young; J Harrison (capt), M McCullough; N Best, N McMillan, R Wilson. Replacements: P Shields, D Fitzpatrick, T Barker, S Ferris, K Dawson, K Campbell, K Maggs.
Referee: Donal Courtney (IRFU).