Clinical effect of pricking blood at neiyingxiang (ExHN 9) on non-allergic rhinopathy: study protocol for a randomized controlled trial.

Background: Non-allergic rhinopathy (NAR), formerly known as vasomotor rhinitis, is a non-allergic and non-infectious chronic disease that is accompanied by nasal hyperemia, rhinorrhea, and no increase in the number of eosinophils. Although the medications for NAR, including intranasal corticosteroids and intranasal antihistamine, have been used in clinical practice, given the relative paucity of effective therapy with available medications, alternative non-pharmacologic treatments could play an important role in treating NAR. Acupuncture treatment is representative potential alternative therapy for the treatment of various diseases, including rhinitis.