Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.
Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.
Tests and diagnosis
Itching, sneezing and swelling: Find out what's causing your allergy symptoms.
MRI uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.
Treatments and drugs
July 02, 2013
- Sinuses|Sinusitius|Rhinosinusitis. American Academy of Allergy, Asthma & Immunology. http://www.aaaai.org/conditions-and-treatments/conditions-a-to-z-search/sinuses,-sinusitis,-rhinosinusitis.aspx. Accessed March 25, 2013.
- Lalwani AK. Current Diagnosis & Treatment in Otolaryngology-Head & Neck Surgery. 3rd ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=39. Accessed March 25, 2013.
- Fact sheet: 20 questions about your sinuses. American Academy of Otolaryngology-Head and Neck Surgery. http://www.entnet.org/HealthInformation/sinuses.cfm. Accessed March 31, 2013.
- Aring AM, et al. Acute rhinosinusitis in adults. American Family Physician. 2011;83:1057.
- Primary amebic meningoencephalitis (PAM): Prevention & control. Centers for Disease Control and Prevention. http://www.cdc.gov/parasites/naegleria/prevention.html. Accessed March 24, 2013.
- Meltzer EO, et al. Rhiosinusitis diagnosis and management for the clinician: A synopsis of recent consensus guidelines. Mayo Clinic Proceedings. 2011;86:427.
- Hayward G, et al. Intranasal corticosteroids in management of acute sinusitis: A systematic review and meta-analysis. Annals of Family Medicine. 2012;10:241.
- Leung RS, et al. The diagnosis and management of acute and chronic sinusitis. Primary Care: Clinics in Office Practice. 2008;35:11.
- Sinupret+. Natural Medicines Comprehensive Database. http://www.naturaldatabase.com. Accessed April 1, 2013.
- SinuGuard. Natural Medicines Comprehensive Database. http://www.naturaldatabase.com. Accessed April 1, 2013.