Efficacy and safety of electric heating moxibustion for perennial allergic rhinitis: protocol for a randomized controlled trial.

Background: Allergic rhinitis (AR) is an IgE-mediated disease that adversely affects quality of life. Many studies report that moxibustion is an effective treatment for perennial allergic rhinitis (PAR). However, it is difficult to perform moxibustion on the face because of possible burning of the skin and the noxious effects of smoke.