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.
COVID-19 (coronavirus disease 2019) is an illness caused by a virus. This virus is a coronavirus called SARS-CoV-2. It spreads when a person who has the infection ...
COVID-19 (coronavirus disease 2019) is a disease caused by a virus called SARS-CoV-2. There are two types of tests for this virus: A viral test tells you if ...
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 ...
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 ...
Diabetes is a disease in which your blood glucose, or blood sugar, levels are too high. When you are pregnant, high blood sugar levels are not good for your baby. ...
... you are in the hospital.What else should I know about taking medicines for diabetes? Even if ...
... type of heart disease you have.How can I prevent diabetic heart disease? You may be able ...
What is diverticulosis? Diverticula are small pouches, or sacs, that bulge outward through weak spots in your colon. They mostly form in the lower part ...
Ear infections are the most common reason parents bring their child to a doctor. Three out of four children will have at least one ear infection by their ...
Edema means swelling caused by fluid in your body's tissues. It usually occurs in the feet, ankles and legs, but it can involve your entire body. Causes of ...
Like adults, kids need exercise. Most children need at least an hour of physical activity every day. Regular exercise has many benefits for children. It can ...
Some eye problems are minor and don't last long. But some can lead to a permanent loss of vision. Common eye problems include: Refractive errors Cataracts - ...
There are many kinds of families. Some have two parents, while others have a single parent. Sometimes there is no parent and grandparents raise grandchildren. ...
... ability to do ordinary daily activities.What can I do to manage fatigue? If you've had ...
Health care can be costly. If you have health insurance, it usually pays at least part of your medical costs. If you don't have insurance or need help with ...
Accidents happen. Someone chokes on an ice cube or gets stung by a bee. It is important to know when to call 911 -- it is for life-threatening emergencies. While ...
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a genetic disorder that is most common in males. About 1 in 10 African American males in the United States ...
Everyone has gas. Most people pass gas 13 to 21 times a day. Passing gas through the mouth is called belching or burping. Passing gas through the anus is called ...
What is gastroenteritis? Gastroenteritis is an inflammation of the lining of the stomach and intestines. The main symptoms include vomiting and diarrhea. ...
... may not cover it at all. How do I decide whether to be tested? The decision about ...
