The Spanish winger will miss '10-15 days' after hurting his right leg, while Jordi Alba has tonsillitis and is a doubt for Barcelona's next match too
Iniesta suffered an elongation of an adductor muscle in his right leg and medical officials at Camp Nou have confirmed he will be out for 10-15 days.
The diminutive midfielder will be unavailable for La Liga clashes at Getafe and at home to Granada, as well as Barcelona's Champions League opener against Spartak Moscow next Wednesday.
Jordi Alba is a doubt for Saturday's match with Getafe but may yet feature in Madrid as he has not been ruled out.
Meanwhile Carlos Puyol has posted a picture of himself on Twitter sporting a new face mask to protect the injured cheek bone the defender is currently nursing.