Honey in the Treatment of Sinus Infections:

V. S. Lee, I. M. Humphreys, P. L. Purcell and G. E. Davis. Manuka honey sinus irrigation for the treatment of chronic rhinosinusitis: a randomized controlled trial. Int Forum Allergy Rhinol 7(4)365-372.

 This study showed that irrigation with Manuka honey as a treatment for chronic rhinosinusitis is affective, even without the use of oral antibiotics and/or steroids.