Conditions list medically reviewed by George Krucik, MD, MBA
Hypoglycemia, or low blood sugar, is a potentially dangerous condition that's most common in people with diabetes. Learn what causes it and how to prevent it.
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…
High blood pressure is often associated with few or no symptoms. Many people have it for years without knowing it.
Dehydration takes place when your body loses more fluid than you drink. The most common cause of water loss from the body is excessive sweating.
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…
Whiplash occurs when a person's head moves backward and then forward very suddenly with great force. This injury is most common following a car collision.
Anorexia nervosa is an eating disorder that can result in severe weight loss. Learn more about warning signs and treatment.
Heat emergencies are health crises caused by exposure to hot weather and sun. Heat emergencies have three stages: heat cramps, heat exhaustion, and heatstroke.
Hypovolemic shock (hemorrhagic shock) is a life-threatening condition that results when you lose more than 20 percent of your body's blood or fluid supply, preventing…
An Addisonian crisis occurs when levels of cortisol suddenly drop. Learn more about an Addisonian crisis, including symptoms, risk factors, and treatment.
Find information about chemical burns and how to prevent them. Learn about the causes, symptoms, and treatment of chemical burns.
Post-concussion syndrome refers to lingering symptoms after a concussion or a mild traumatic brain injury (TBI).
Acute mountain sickness is a condition that occurs when your body can't adjust to a high level of altitude. Learn more about the signs and how to treat it.
Polycythemia vera is a bone marrow disorder in which the body produces too many red blood cells. Here's what you need to know about this rare condition.
Endometriosis is a disorder in which the tissue that forms the lining of your uterus grows outside of your uterine cavity. The lining is called the endometrium.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.