I also have asthma, multiple allergies (including most antibiotics), etc. I suffered from chronic sinusitis for several years. At one point I had been on medication for a chronic infection for more than a year, without relief. One day I was at the Chiropractor with someone else. The Dr commented that I looked like I felt ill. I told her my head felt like it was about to explode, from the sinus infection. She took me into an exam room, and felt my head all over, gently pushing in a few places, while telling me to breathe out, in , or hold my breath. She told me that I should feel better soon. It didn't feel like she did anything, but the pressure in my sinuses did feel relieved somewhat. The next day, I was fine, and didn't have another bout of sinus problems for more than 2 years. I got whacked on the head, and the sinus problem came back. Another trip to the chiropractor solved it again. A friend of mine experienced the same thing. It sure is a simpler and healthier solution than all the drugs and surgery!