Diphtheria — Comprehensive overview covers symptoms of this infection that's preventable with a vaccine.
Strep throat is a bacterial throat infection. It typically causes a very sore throat and is treated with antibiotics.
Swimmer's ear, an infection in the outer ear, is usually caused by bacteria and is more common in ears exposed to water for long periods.
Toxoplasmosis is an infection caused by a parasite. It doesn't make most people ill, but infants and people with HIV/AIDS are at risk of complications.
Tooth abscess — Comprehensive overview covers symptoms, causes, treatment of this painful tooth condition.
More than 39 million people are living with HIV — the virus that causes AIDS. Millions more are likely to become infected in the next decade.
Mononucleosis — also called kissing disease because it can be spread by kissing — causes fatigue, fever and swollen lymph glands.
Syphilis, a sexually transmitted infection, first appears as painless sores on your genitals, rectum or mouth. Early diagnosis is important.
Runny nose: What's causing your sniffles?
Tests and diagnosis
A complete blood count can be used to evaluate your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.
Find out what to expect during a needle biopsy.
Jan. 02, 2014
- Longo DL, et al. Harrison's Online. 18th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=4. Accessed Aug. 25, 2013.
- Fletcher RH. Evaluation of peripheral lymphadenopathy in adults. http://www.uptodate.com/home. Accessed Aug. 25, 2013.
- Lymphadenitis. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merckmanuals.com/professional/dermatologic_disorders/bacterial_skin_infections/lymphadenitis.html. Accessed Aug. 25, 2013.
- Motyckova G, et al. Why does my patient have lymphadenopathy or splenomegaly? Hematology and Oncology Clinics of North America. 2012;26:395.