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…
A cold is a common viral infection of the upper respiratory tract–namely, your nose and throat. A runny or stuffy nose, sneezing, coughing, and sore throat are common…
Acute stress disorder (ASD) may develop after a traumatic event, and it can last up to one month. Learn about the symptoms of ASD.
Swine flu, or H1N1, is highly contagious and can spread quickly from person to person. A simple sneeze may cause thousands of germs to spread through the air.
Chronic fatigue syndrome (CFS) is a debilitating disorder characterized by extreme tiredness that can't be explained by an underlying medical condition.
If you live with fibromyalgia, you know that it's a complex disorder with a range of potential causes, treatments, and risk factors. Here's a top-to-bottom look at this…
Lyme disease is an infectious disease that's transmitted to humans through tick bites. Learn how Lyme disease is diagnosed and treated, and learn how to prevent tick…
Colorado tick fever is a viral infection transmitted through a bite from an infected tick. Learn about Colorado tick fever symptoms, diagnosis, and treatment.
Systemic lupus erythematosus, the most common form of lupus, is a chronic autoimmune disease that can cause severe fatigue and joint pain. Learn more about it.
Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.
Learn about the causes and symptoms of the West Nile virus.
Menopause is a natural biological process in women that marks the permanent end of menstruation and fertility. Hot flashes, vaginal dryness or pain, and frequent…
Poliomyelitis, or polio, is a highly contagious disease that is caused by a virus that attacks the body's nervous system.
Valley fever is an infection caused by the Coccidioides fungus. Learn about valley fever symptoms, causes, treatment, prevention, and more.
German measles, also known as rubella, is a viral infection. Learn about German measles symptoms, causes, diagnosis, treatment, and prevention.
Glomerulonephritis is a serious illness that can stop your kidneys from functioning properly. Learn how this condition is diagnosed and treated.
Hepatitis A is inflammation of the liver caused by the hepatitis A virus. This is an acute (short-term) type of hepatitis, which usually requires no treatment.
Anorexia nervosa is an eating disorder that can result in severe weight loss. Learn more about warning signs and treatment.
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.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.