The hamstring tear which has ruled out Gold Coast five-eighth Greg Bird for a month may also have grounded the Titans' flagging NRL campaign.

Bird, who has become an integral part of the Titans' line-up since joining the club in the off-season, suffered the injury during last Friday's 24-10 loss to Brisbane at Skilled Park. Scans on Monday confirmed a tear.

The news couldn't have come at a worse time for the ailing Titans, who have lost six of their last eight matches and could tumble out of the top eight with another loss to ladder leaders St George Illawarra on Friday night.

The task of upsetting the Dragons could get even tougher with their other State of Origin representative Ashley Harrison in doubt with a knee injury.

Despite the confirmation of a hamstring tear, Bird said the news wasn't perhaps as bad as initially feared when he pulled up in pain after trying to haul in a Scott Prince pass during the Broncos match.

"It hurt really badly when I did it and it was quite painful," Bird said.

"It feels a lot better though after icing it over the weekend. I'll just do everything I can to rehab it properly."

Titans coach John Cartwright, who'll sleep on a number of options at No.6, including veteran Mat Rogers and the versatile Preston Campbell, said Bird had been in top form before the injury.

"He's played every game (this season) so he's a very important part of the team," said Cartwright.

Campbell would be favourite to take over Bird's role with William Zillman slotting in at fullback as he has in the past when the club's pocket dynamo has had to shift into the halves for Scott Prince.

The Titans will miss more than just Bird's running game.

They'll sorely miss his intimidation against a Dragons side chasing the club's second successive minor premiership under coach Wayne Bennett.

Cartwright said a win against the Dragons would be the confidence booster his players needed after a tough period.

"Every side needs confidence, it's a big thing," he said.

"We haven't been winning of late and that's something to has to change and change soon."

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