MedlinePlus is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). It was built as an online health information resource for patients and their families and friends.
MedlinePlus presents high-quality, easy to understand, relevant health and wellness information that is trusted.
What is cryptosporidiosis? Cryptosporidiosis is a contagious disease that causes watery diarrhea. It is caused by parasites called Cryptosporidium, or ...
Computed tomography (CT) is a type of imaging. It uses special x-ray equipment to make cross-sectional pictures of your body. Doctors use CT scans to look for: ...
Cushing's syndrome is a hormonal disorder. The cause is long-term exposure to too much cortisol, a hormone that your adrenal gland makes. Sometimes, taking synthetic ...
Cystic fibrosis (CF) is an inherited disease of the mucus and sweat glands. It affects mostly your lungs, pancreas, liver, intestines, sinuses, and sex organs. ...
Cytomegalovirus (CMV) is a virus found around the world. It is related to the viruses that cause chickenpox and infectious mononucleosis (mono). Between 50% and 80% of ...
Your scalp is the skin on the top of your head. Unless you have hair loss, hair grows on your scalp. Different skin problems can affect your scalp. Dandruff ...
DASH stands for Dietary Approaches to Stop Hypertension. It is an eating plan that is based on research studies sponsored by the National Heart, Lung, and ...
Deep vein thrombosis, or DVT, is a blood clot that forms in a vein deep in the body. Most deep vein clots occur in the lower leg or thigh. If the vein swells, ...
Degenerative nerve diseases affect many of your body's activities, such as balance, movement, talking, breathing, and heart function. Many of these diseases are genetic. ...
What is dehydration? Dehydration is a condition caused by the loss of too much fluid from the body. It happens when you are losing more fluids than you ...
What is delirium? Delirium is a mental state in which you are confused, disoriented, and not able to think or remember clearly. It usually starts suddenly. ...
What is dementia? Dementia is a loss of mental functions that is severe enough to affect your daily life and activities. These functions include: Memory ...
What is dengue? Dengue is a viral infection. It can be caused by four related viruses. You can get it if an infected mosquito bites you. It is common ...
It's important to take care of your mouth and teeth starting in childhood. If you don't, you could have problems with your teeth and gums - like cavities or ...
Dentures are false teeth made to replace teeth you have lost. They can be complete or partial. Complete dentures cover your entire upper or lower jaw. Partials ...
Depression is a serious medical illness. It's more than just a feeling of being sad or "blue" for a few days. If you are one of the more than 19 million teens and ...
What are developmental disabilities? Developmental disabilities are conditions that are usually present at birth. They can affect a child's growth and ...
What is diabetes? Diabetes, also known as diabetes mellitus, is a disease in which your blood glucose, or blood sugar, levels are too high. Glucose is ...
What is diabetes? If you have diabetes, your blood glucose, or blood sugar, levels are too high. Glucose comes from the foods you eat. A hormone called ...
What is diabetes? If you have diabetes, your blood glucose, or blood sugar, levels are too high. Glucose comes from the foods you eat. A hormone called ...
