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269 Search results starting with "S"

Disease

Sunburn

Learn more about how UV rays harm your skin and what you can do for symptom sunburn relief and how to protect yourself from sun exposure.
Disease

Supraventricular tachycardia

SVT is a heart rhythm disorder that causes a very fast or erratic heartbeat. The heart may beat more than 150 times a minute. Know the symptoms and when it's treated.
Disease

Suspicious breast lumps

Most of these growths aren't cancer, but you should still get them checked promptly.
Disease

Sweating and body odor

Learn more about the causes, treatment and self-care of these natural and common skin conditions. Unusual changes may mean a health problem.
Disease

Swimmer's ear

The moisture from water left in the ear after swimming or bathing can lead to this infection in the outer ear canal.
Disease

Swimmer's itch

Learn more about the symptoms, treatment and prevention of this itchy rash that usually affects people swimming in freshwater lakes.
Disease

Swollen knee

This condition can be caused by trauma, overuse injuries, or an underlying disease or condition. A fluid sample from the knee may be needed for diagnosis.
Disease

Swollen lymph nodes

Infection from bacteria or viruses most often causes this condition.
Disease

Synovial sarcoma

This rare type of cancer tends to occur near large joints, mainly the knee, in young adults. The main treatment is surgery.
Disease

Syphilis

Understand how this infectious disease spreads, what you can do to prevent it and how it's treated.
Disease

Syringomyelia

The development of a fluid-filled cyst in the spinal cord can eventually damage the cord and cause symptoms such as pain and muscle weakness.
Disease

Systemic mastocytosis

Excess mast cells can build up in skin, bone and organs. When triggered, the cells release substances that can cause allergic reactions and organ damage.
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