Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.
Shin splints refers to pain and tenderness along or just behind the large bone in the lower leg (the tibia).
Shingles (herpes zoster) is a painful skin rash. It’s caused by the varicella-zoster virus (VZV). This is the same virus that causes chickenpox.
Shingles, or herpes zoster, is a common infection of the nerves that is caused by a virus. It causes a painful rash or small blisters on an area of skin.
Short bowel syndrome is a group of problems. They happen to people who have had a large part of their small intestine removed.
Short bowel syndrome is a group of problems. They happen to children who have had a significant part of their small intestine removed. This complex condition can be life-threatening in some babies and children.
A dislocated shoulder means the upper arm bone (humerus) has moved out of the shoulder joint. It can cause pain, swelling, numbness and trouble moving the shoulder.
Detailed information on shoulder pain and the most common types of shoulder problems
When you have a shoulder separation injury, trauma damages the ligaments surrounding your acromioclavicular (AC) joint. This is where your collarbone (clavicle) meets your shoulder blade (scapula). If your injury is severe, part of your ...
Shoulder tendonitis is an inflammation of your rotator cuff or biceps tendon. Read on for details about this condition.
Sick sinus syndrome is a type of abnormal heartbeat, or arrhythmia. If you have sick sinus, you may have episodes when your heart beats very slowly, stops beating for a short while, or beats very rapidly.
Sickle cell disease (SCD) is an inherited blood disorder that causes the body to make abnormal hemoglobin. This is the protein in red blood cells that carries oxygen to all parts of your body. The damaged red blood cells block blood flow...
Sickle cell disease is an inherited blood disorder that is present at birth. Children with SCD make an abnormal type of hemoglobin. This is the protein in red blood cells that carries oxygen to all parts of the body.
Simple kidney cysts are fluid-filled sacs that form in your kidneys. These cysts usually don’t affect how the kidneys function.
Bradycardia is when the heart beats too slowly and can cause problems. Learn how it's diagnosed, and what treatments can help.
Sinus bradycardia is a type of slow heartbeat. A special group of cells begin the signal to start your heartbeat. These cells are in the sinoatrial (SA) node. Normally, the SA node fires at about 60 to 100 times per minute at rest. In ...
Sinusitis is an infection of the lining of the sinuses near the nose. These infections most often happen after a cold or after an allergy flare-up.
Sinusitis is an infection of the sinuses. These infections usually happen after a cold or with allergies. There are 3 types of sinusitis: short term (acute), long-term (acute), and recurrent.
Sixth nerve palsy occurs when the sixth cranial nerve is damaged or doesn't work right. It's also known as the abducens nerve. This condition causes problems with eye movement.
Sjögren syndrome is an autoimmune disorder. This means that the body's own immune system attacks its own cells and tissues by mistake. In this case, it attacks the glands that produce moisture. It commonly causes dry skin, dry eyes,...
Skin cancer is a type of cancer that grows in the cells of the skin. It can spread to and damage nearby tissue and spread to other parts of the body. Skin cancer is rare in children.
Rhabdomyosarcoma is a type of cancer. It starts in cells that grow into skeletal muscle cells. The cells are called rhabdomyoblasts. Skeletal muscles control all of a person’s voluntary muscle movements. The cancer is most common in ...
Sleep apnea is a serious, potentially life-threatening condition. It is far more common than generally understood. Sleep apnea happens in all age groups and both genders.
Most adults need 7 to 8 hours of sleep each night. Sleep deprivation means you're not getting enough sleep.
Slipped capital femoral epiphysis (SCFE) is a condition of the hip joint that affects children. In SCFE, the ball of the thighbone (femoral head) slips off the neck of the thighbone.
Small for gestational age is a term used to describe babies that are smaller than usual for the number of weeks of pregnancy. These babies have birth weight below the 10th percentile. This means they are smaller than many other babies of...
Smell and taste disorders may include loss of smell or taste or reduced ability to smell or taste. This can be caused by certain underlying conditions or illness, medicines, and dental problems. Some people are born with these disorders.
Both venomous and nonvenomous snakes can bite. In the U.S., snakebites most often occur between April and October. Even a bite from a nonvenomous snake can cause an infection or allergic reaction in some children.
Snoring doesn't necessarily mean that you have a medical condition, but it can sometimes be a sign of a serious sleep disorder, including sleep apnea.
Here are answers to some frequently asked questions about soft tissue sarcoma.
Spasmodic dysphonia is a voice disorder. It causes involuntary spasms in the muscles of the voice box or larynx. This causes the voice to break, and have a tight, strained, or strangled sound.