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…
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…
Chronic fatigue syndrome (CFS) is a debilitating disorder characterized by extreme tiredness that can't be explained by an underlying medical condition.
Rheumatoid arthritis is an autoimmune disease. It causes joint problems. In autoimmune diseases, the immune system mistakes the body's own cells for invaders.
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…
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.
Colorado tick fever is a viral infection transmitted through a bite from an infected tick. Learn about Colorado tick fever symptoms, diagnosis, and treatment.
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…
Sprains and strains are injuries to the body, often resulting from physical activity. These injuries are common and can range from minor to severe, depending on the…
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.
Acute stress disorder (ASD) may develop after a traumatic event, and it can last up to one month. Learn about the symptoms of ASD.
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.
Rhabdomyolysis is a breakdown of muscle fibers that occurs due to muscle injury. Learn more about this condition.
Polymyalgia rheumatica is an inflammatory disorder that causes muscle pain and stiffness. Learn about its symptoms, diagnosis, and treatment.
Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.
Trichinosis is a disease caused by a roundworm infection. Learn about its symptoms, diagnosis, treatment, and how to prevent it.
Learn about the causes and symptoms of the West Nile virus.
The things you've wanted to know about MS are all in one place. Learn more about symptoms, treatment, and lifestyle management.
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…
Low potassium levels in your blood can cause weakness, fatigue, and abnormal heart rhythms. Find out how to treat hypokalemia.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.