Conditions list medically reviewed by George Krucik, MD, MBA
If left untreated, HIV can lead to AIDS. AIDS weakens your immune system to the point where it can no longer fight off disease and infection. Learn more.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Lymphangitis is an inflammation of the lymphatic system, which is part of your immune system. If left untreated, the condition can become serious.
The plague is a serious bacterial infection that can be deadly. It's caused by poor sanitation, overcrowding, and large rodent populations.
Brucellosis is a disease caused by bacteria from the genus Brucella. Learn more about how this condition is spread, symptoms, and treatment.
Weil's disease is a severe form of the bacterial infection leptospirosis. Learn how to lower your risk of getting this potentially life-threatening illness.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.