I had sinus infections for a year. Then I asked to be sent to an ENT specialist. The nose specialist said I had nasal polyps. My family doc recommended a glutathione nasal spray. It saved my life. I didnt need the surgery. It got rid of the polyps and no more sinus infections. Doc told me to use the spray in the future if I had a cold or flu. Glutathione is the master of all antioxidants. Its a good thing my doc believes in supplements. In Canada you need a prescription for the spray. I had tried everything before to get rid of the sinus infections. Nasonex, biaxin, etc and nothing worked except for the glutathione nasal spray. Good luck to you.