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 that causes a baby's spine and spinal cord not to 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 hemangioma
Learn about the diagnosis and treatment of these benign vascular tumors that can appear in the bones of the spine.
Disease
Spinal stenosis
This condition makes the amount of space within the spine smaller. That can squeeze the nerves that travel through the spine. Surgery sometimes is needed.
Disease
Spinal tumor and spinal mass
Complete spinal tumor overview: Symptoms, causes, diagnosis and treatments to help you understand care options.
Disease
Spontaneous coronary artery dissection (SCAD)
A torn blood vessel in the heart can cause a heart attack. Learn about the diagnosis and treatment of this medical emergency.
Disease
Sprained ankle
A sprained ankle usually can be treated with at-home care and exercises to get you back on your feet.