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.
... you become an adult, your personality usually doesn't change much.What are personality disorders? Personality disorders ...
... Pituitary tumors are common, but often they don't cause health problems. Most people with pituitary tumors ...
... spread it to others even if it isn't making you sick.What is pneumocystis pneumonia (PCP)? ...
... labels say. Keep dangerous products where children can't get to them. Treatment for poisoning depends on ...
What are post-COVID conditions (long COVID)? COVID-19 (coronavirus disease 2019) is an illness caused by a virus. Many people get better within a few days ...
... confusion, hallucinations (seeing or hearing things that aren't real), or dangerous behaviors. Call 911 or go ...
... during pregnancy? If you're pregnant, you shouldn't take regular vitamins. They may have too much ...
... you become pregnant, contact your provider. But don't stop taking the opioids on your own. If ...
... taking opioids or are addicted to drugs, don't stop taking them suddenly. That can be dangerous ...
... PMS.What causes premenstrual syndrome (PMS)? Researchers don't know exactly what causes PMS. Changes in hormone ...
... to five years after getting it. PSP isn't life-threatening on its own. It can still ...
... many joints. The joint and skin problems don't always happen at the same time. Your doctor ...
... lightheadedness, or fainting Sometimes people with PE don't have any symptoms until they have serious complications, ...
... of breath A dry, hacking cough that doesn't get better Fatigue Weight loss for no known ...
... can even be harmful even if you don't smoke. Exposure to secondhand smoke can increase the ...
... primary type. What causes Raynaud phenomenon? Researchers don't know exactly why some people develop Raynaud phenomenon. ...
... And if you are not a smoker, don't start. Take precautions if you are using household ...
... help prevent severe RSV illness, but they can't cure or treat children who already have RSV. ...
... during the day can help. If those don't work, medicines may reduce the symptoms of RLS. ...
... who live far away from specialists or can't easily get to their providers' offices. Local public ...