The current study included 2 main groups GROUP A: 10 patients were subjected to ozone intra articular injection (20mg/2ml ozone gas into superior joint space two times a week for two successive weeks according to Daif & Basha techniqueGROUP B: 10 patients were subjected to intraarticular hydrocortisone injection (1 ml hydrocortisone into superior joint space 3 injections were given at 2 weeks intervals followed by 3injections at monthly intervals). from the results, the improvments are better in intraarticular ozone injection that of hydrocortisone .The simplesty of intraarticular ozone injection is more than intraarticular hydrocortisone injection. N.B: In some patients need more intraarticular ozone injections after healing because of recurrance also these more visits of intraarticular hydrocortisone injection.