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.
Dec. 11, 2014
- Shingles: Hope through research. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/shingles/detail_shingles.htm. Accessed July 4, 2014.
- O'Connor KM, et al. Herpes zoster. Medical Clinics of North America. 2013;97:503.
- Ferri FF. Ferri's Clinical Advisor 2014: 5 Books in 1. Philadelphia, Pa.: Mosby Elsevier; 2014. https://www.clinicalkey.com. Accessed July 4, 2014.
- Shingles: Clinical overview. Centers for Disease Control and Prevention. http://www.cdc.gov/shingles/hcp/clinical-overview.html. Accessed July 4, 2014.
- Papadakis MA, ed., et al. Current Medical Diagnosis & Treatment 2014. 53rd ed. New York, N.Y.: The McGraw-Hill Companies; 2014. http://accessmedicine.mhmedical.com/book.aspx?bookId=330. Accessed June 28, 2014.
- Albrecht MA. Prevention of varicella-zoster virus infection: Herpes zoster. http://www.uptodate.com/home. Accessed July 5, 2014.