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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.

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Polymyalgia Rheumatica - National Library of Medicine

Polymyalgia rheumatica is a disorder that causes muscle pain and stiffness in your neck, shoulders, and hips. It is most common in women ... doctor will use your medical history, symptoms, and a physical exam to make the diagnosis. Lab tests ...

Premenstrual Syndrome - National Library of Medicine

... premenstrual syndrome (PMS)? Premenstrual syndrome, or PMS, is a group of physical and emotional symptoms that start ... dysphoric disorder (PMDD)? Premenstrual dysphoric disorder (PMDD) is a severe type of PMS. With PMDD, the symptoms ...

Rare Diseases - National Library of Medicine

A rare disease is one that affects fewer than 200,000 people in the United States. There ... in genes It can be hard to find a specialist who knows how to treat your rare ...

Scabies - National Library of Medicine

... has crusted scabies. You cannot get scabies from a pet. Pets get a different mite infection called mange. Symptoms are: Pimple-like irritations or a rash Intense itching, especially at night Sores caused ...

Sciatica - National Library of Medicine

Sciatica is a symptom of a problem with the sciatic nerve, the largest nerve in the body. It controls muscles in the back of your knee and ... side of your body. Causes of sciatica include: A ruptured intervertebral disk Narrowing of the spinal canal ...

Scoliosis - National Library of Medicine

Scoliosis causes a sideways curve of your backbone, or spine. These curves are often S- or C-shaped. Scoliosis is most common ... get screening for scoliosis at school or during a checkup. If it looks like there is a ...

Shock - National Library of Medicine

... be life-threatening. It often happens along with a serious injury. There are several kinds of shock. Hypovolemic shock happens when you lose a lot of blood or fluids. Causes include internal ...

Sinusitis - National Library of Medicine

... or even years Recurrent, with several attacks within a year Acute sinusitis often starts as a cold, which then turns into a bacterial infection. Allergies, nasal problems, and certain diseases ...

Skin Aging - National Library of Medicine

Your skin changes as you age. You might notice wrinkles, age spots and dryness. Your skin also becomes thinner and loses fat, making ... might take longer to heal, too. Sunlight is a major cause of skin aging. You can protect ...

Swallowing Disorders - National Library of Medicine

If you have a swallowing disorder, you may have difficulty or pain when swallowing. Some people cannot swallow at all. Others may have ... fluids to nourish your body. Anyone can have a swallowing disorder, but it is more common in ...

Tracheal Disorders - National Library of Medicine

... to your lungs. They also carry carbon dioxide, a waste gas, out of your lungs. When you ... inflammation, and some inherited conditions. You may need a procedure called a tracheostomy to help you breathe ...

Tubal Ligation - National Library of Medicine

Tubal ligation (getting your "tubes tied") is a type of surgery. It prevents a woman from getting pregnant. It is a permanent form of birth control, and is effective right away. ...

Underage Drinking - National Library of Medicine

... poor decisions about engaging in risky behavior, such as drinking and driving or unprotected sex Increases the ... sexual assault Can lead to other problems, such as trouble in school May interfere with brain development ...

Volcanoes - National Library of Medicine

A volcano is a vent in the Earth's crust. Hot rock, steam, poisonous gases, and ash reach the Earth's surface when a volcano erupts. An eruption can also cause earthquakes, ...



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