To assess the effectiveness of head and neck stabilization with cervical collar after repositioning of posterior canal otolith by Epley maneuver on success rate of posterior canal benign positional paroxysmal vertigo (BPPV) management. Forty subjects have posterior canal BPPV were enrolled in a prospective case-control study. They were classified into two categories: A) who were treated with Epley maneuver, in which informed about post treatment instructions and the head and neck stabilization by using cervical collar for five days. B) those received the same but without head and neck stabilization. Analysis of data was done using probability value. A significant differences were statistically observed in the prognosis between the two arms with subsequently lessen the recurrence percent in group (A) with follow-up. Head and neck stabilization with cervical collar after canal otolith repositioning maneuver is a good and simple method to prevent and decline the recurrence chance of BPPV.