Conditions list medically reviewed by George Krucik, MD, MBA
Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared…
Non-Hodgkin's lymphoma (NHL) is a cancer of the lymphatic system that occurs when tumors develop from the lymphocytes, which are a type of white blood cell.
A bone infection may occur when bacteria or fungi invade the bone, causing many symptoms, including fever, redness, stiffness, and swelling.
Heat emergencies are health crises caused by exposure to hot weather and sun. Heat emergencies have three stages: heat cramps, heat exhaustion, and heatstroke.
Viral gastroenteritis, also known as the stomach flu, is caused by a number of different viruses. Its symptoms usually last for two to three days.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Acute pyelonephritis is a severe, sudden, and potentially life threatening infection of the kidneys. Moist skin and chills are possible signs of this condition.
Cellulitis is a common bacterial skin infection. Cellulitis may first appear as a red, swollen area that feels hot and tender to the touch.
An empyema is a condition in which pus collects in the pleural space, which is the area between your lungs and the inner surface of your chest wall.
Tuberculosis (TB) is a highly infectious disease that primarily affects the lungs. Read more on whom it affects and how to treat it.
Acute pancreatitis is an inflammation in the pancreas, which causes pain and swelling in the upper left side of the abdomen, nausea, and burping.
Leukemia is a cancer of the blood cells. Get the statistics on survival rates, find out the most common symptoms, diagnostic options, and treatments.
Brucellosis is a disease caused by bacteria from the genus Brucella. Learn more about how this condition is spread, symptoms, and treatment.
Hodgkin's disease is a type of blood cancer. We'll explain its symptoms, staging, and how it's treated.
Endocarditis, also known as infective endocarditis, is a condition in which your heart's inner lining is inflamed. Learn about causes and symptoms.
Pulmonary actinomycosis is a rare bacterial lung infection. It's also known as thoracic actinomycosis.
Thyroid storm is a life-threatening condition that results from undertreated or untreated hyperthyroidism. Persistent sweating is one possible sign of thyroid storm.
Hairy cell leukemia affects your white blood cells and weakens your immune system. Read more on this rare blood and bone marrow cancer.
Many marine animals bite or sting. Some animals are venomous, while others can inflict deep bites. Learn more about the risks and prevention.
Valley fever is an infection caused by the Coccidioides fungus. Learn about valley fever symptoms, causes, treatment, prevention, and more.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.