Queensland and Gold Coast back-rower Ashley Harrison is facing a fortnight on the sidelines after sustaining a rib cartilage injury in Wednesday night's State of Origin triumph.

Harrison has been ruled out of Saturday's NRL clash for the Titans against the Warriors at Skilled Park and may struggle to return the following week.

He could spend a month on the sidelines but is hopeful of returning to the paddock sooner, having missed only two matches after suffering the same injury, also in Origin II, last year.

Harrison was injured early in the second half of the 24-14 match and finished on the bench.

Titans coach John Cartwright will settle on the final make-up of his side for the Warriors clash after Friday's final training session at Skilled Park.

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