This rare condition is often linked to long-lasting constipation. Learn more about symptoms and treatment.
Disease
Somatic symptom disorder
Learn about symptoms, causes and treatment for this disorder, which is linked with major emotional distress and impairment.
Disease
Sore throat
Find out what causes this common affliction, when to see a doctor and what you can do to get relief from a sore throat.
Disease
Specific phobias
These are extreme fears of objects or situations that pose little or no danger. There is no reason for these fears, but you stay away from these things.
Disease
Spermatocele
Learn more about this noncancerous testicular disorder that may require surgery if it's causing discomfort. But, the condition often needs no treatment.
Disease
Spider bites
Learn more about prevention, symptoms, complications and treatment of spider bites, which are usually harmless.
Disease
Spina bifida
Learn about this condition in which an unborn baby's spine and spinal cord don't form properly. Surgery during pregnancy may be a treatment option.
Disease
Spinal arteriovenous malformation (AVM)
Learn about how this rare blood vessel condition can affect the spinal cord.
Disease
Spinal cord injury
Learn what may happen after the spinal cord has been damaged.
Disease
Spinal cord tumor
Spinal cord tumors can cause serious problems such as pain and paralysis. Find out about diagnosis and treatment.
Disease
Spinal headaches
These headaches can happen after a spinal tap procedure or spinal anesthesia, and usually don’t require treatment.
Disease
Spinal stenosis
This condition narrows the amount of space within the spine. This can squeeze the nerves that travel through the spine. Surgery is sometimes needed.