The former Torquay man limped off 28 minutes into the Cherries' 1-0 win at Colchester on Friday and the club will know the extent of the injury once it settles down but it looks certain to rule him out.
Shaun MacDonald replaced the Irishman and will be hopeful of getting the nod from the start at the Goldsands Stadium.
Captain Tommy Elphick looks set to retain his place having come through 90 minutes on his long-awaited return from injury. Elphick had missed their last 10 games with a knee injury suffered back in February.
That win in Essex, labelled as one of their best displays of the season by manager Eddie Howe, moved Bournemouth up to second in npower League One, just two points off the top of the table.
Long-term absentees Miles Addison, Stephen Purches and Stephane Zubar remain sidelined for a Bournemouth side who have won their last four matches.