Headaches and vision loss can result from this increased pressure inside your brain that occurs with no obvious reason.
Disease
Pulmonary atresia with intact ventricular septum
Also called PA/IVS, this rare congenital heart defect is diagnosed at or shortly after birth. Learn the symptoms and how it's treated.
Disease
Rotator cuff injury
This common shoulder injury is often caused by repetitive overhead motions in jobs or sports. Extensive rotator cuff tears may require surgery.
Disease
Salmonella infection
This common bacterial infection is spread through contaminated food or water and affects the intestinal tract. Learn more about prevention and treatment.
Disease
Selective IgA deficiency
A lack of the disease-fighting antibody called immunoglobulin A (IgA) may cause frequent infections or serious complications.
Disease
Self-injury/cutting
Deliberately hurting your own body, such as by cutting or burning, is a harmful way to cope with emotional pain, intense anger and frustration.
Disease
Shigella infection
This infection of the intestine causes diarrhea. Learn the symptoms, treatments and ways to help prevent it.
Disease
Small intestinal bacterial overgrowth (SIBO)
Small intestinal bacterial overgrowth (SIBO) can occur when excess bacteria builds up in the small intestine. Learn more about this bowel disorder.
Disease
Spinal cord injury
Learn what may happen after the spinal cord has been damaged.
Disease
Staph infections
Learn about the symptoms, causes and treatment of these potentially lethal infections.
Disease
Stress incontinence
Movement such as coughing, laughing and running can cause urine to leak for people with this condition. Learn about treatments and self-care.