Barrett in doubt for Panthers

St George Illawarra skipper Trent Barrett is in doubt for Sunday's NRL clash with Penrith on Sunday after being hospitalised by a stomach virus.

Barrett has been struggling with the virus since last week and checked himself into Wollongong Hospital yesterday afternoon after playing in Friday night's loss to Wests Tigers. Barrett complained of being dehydrated and feeling unwell after the Tigers clash.

He is expected to be released from hospital this afternoon. Dragons coach Nathan Brown says he is unsure when his star five-eighth will resume training.