| BUPA: Sinusitis: Concise factsheet explaining the causes, symptoms and treatment of this condition. |
| Doctor Hazenfield in Hawaii: With an illustration of the sinuses, a brief description, and treatment. |
| eMedicine Health - Sinus Infection: Information on the causes, symptoms, and treatment of sinus infections. |
| Jala Neti for Sinus Infection: Provides information on sinus irrigation to treat sinus problems. |
| MEDLINEplus: Sinusitis: The National Library of Medicine (National Institutes of Health) public database search engine. Extensive citations and information. |
| Setliff Clinic: Allergies & Sinus Conditions: Allergy and sinus specialists located in South Dakota, Iowa and Nebraska. |
| SinuCare, Inc.: A large amount of information and articles regarding sinusitis and treatment. Features email newsletter and discussion forums. |
| Sinus Center from Allergy Buyers Club: Information for sinus, allergy and asthma sufferers. |
| Sinus Info Center: Offers information on anatomy, causes, symptoms and treatments. |
| Sinusitis-Solutions: Sinusitis and rhinology information from sinus specialist Vijay K. Anand, M.D. |
| Sinusitis: A Treatment Plan That Works: Physician's website provides comprehensive information on this common ailment. With sections on the related topics of allergy and asthma. |
| The Body.com: Sinusitis: Articles provide general background on this condition, with particular emphasis on HIV/AIDS patients. |
| The Nose and Sinus Center: Offers information about several nose and sinus problems, including anatomy. |
| The Role of OTC Decongestants in the Treatment of Rhinosinusitis: Professional overview discusses the physiology of nasal congestion and how decongestant medications work. Recommends using decongestants to treat sinus symptoms and reduce antibiotic use. [Requires free registration.] |
| Treatment of Sinusitis and Sinonasal Polyposis Using the Microdebrider: Physician provides information about common paranasal sinus disorders, their diagnosis, and a treatment he offers. |
| WebMD - Sinusitis: An overview of the causes, risk factors, and symptoms. |