Conditons & Treatments

The sacrum is the triangular bone just below the lumbar vertebrae. The sacrum has five segments fused together into one large bone.

The most common problems in the salivary gland occur when the ducts become blocked and saliva cannot drain. Among the causes are dehydration, smoking and exposure to radiation. Most salivary tumors are noncancerous. Small blockages may ...

Salmonella is caused by the bacteria salmonella. Salmonella is a group of bacteria that can cause diarrhea in humans. There are many different kinds of salmonella bacteria.

Detailed information on scabies, including symptoms, diagnosis, and treatment

Scabies is an infestation of tiny bugs called mites on the skin. It causes a small red rash and intense itching. This infection is very contagious. It often spreads from child to child while children are sleeping together in the same bed...

Scarlet fever is an infectious disease that causes a rash. It is caused by the same kind of bacteria that cause strep throat.

Schizophrenia is a complex brain disorder. It is caused by a chemical imbalance and often runs in families. This illness can't be cured but can be managed with medicine and therapy.

Schizophrenia is a serious mental illness. It is a long-lasting and disabling problem of the brain. A child with this disorder has unusual behavior and strange feelings.

Sciatica, also called lumbar radiculopathy, is a pain that originates along your sciatic nerve, the largest nerve in the body. The pain extends from the back of your pelvis down the back of your thigh.

Scleroderma is an ongoing (chronic) disease that causes abnormal growth of connective tissue. It can affect the joints, skin, and internal organs. It is degenerative and gets worse over time.

Scleroderma is an ongoing (chronic) disease that causes abnormal growth of connective tissue. It can affect the joints, skin, and internal organs. It is degenerative and gets worse over time.

A spine affected by scoliosis shows a sideways curvature and a rotation of the vertebrae, giving the appearance that the person is leaning to one side.

Scoliosis is a deformity of the backbone (spine). It's when the spine has a side-to-side curve. The curve of the spine measures 10 degrees or more.

Scrotal swelling is a common problem in baby boys and young boys. It can have many causes. These are often divided into painless and painful scrotal swelling.

Seasonal affective disorder (SAD) is a type of depression. It happens during certain seasons of the year, most often fall or winter. Here's what you need to know.

Detailed information on seborrheic dermatitis, including symptoms, diagnosis, and treatment

A seborrheic keratosis is a growth on the skin. The growth is not cancer (benign). It’s a brown or black raised area. Seborrheic keratoses often appear on a person’s chest, arms, back, or other areas. They’re very common in people older ...

A burn is damage to tissues of the body caused by contact with things such as heat, radiation, or chemicals. A second-degree burn affects the outer layer of skin (epidermis) and part of the inner layer of skin (dermis).

Secondhand smoke is the smoke you are exposed to when someone nearby is smoking. It includes the smoke exhaled by the smoker, and the smoke given off directly by the burning tobacco.

Selective mutism is a rare condition when a child can’t speak in certain settings, but can speak fine in others. It can cause problems with school and social situations.

A child with SAD worries a lot about being apart from family members or other close people. The child has a fear of being lost from their family or of something bad occurring to a family member if he or she is not with the person.

Sepsis is a serious medical condition that can result in organ damage or death. It happens when the body’s immune system has a severe response to an infection. Sepsis is a medical emergency.

Newborn sepsis is a severe infection in an infant younger than 28 days old. The infection is in your baby’s blood. But it may affect any body system or the whole body.

Septic arthritis is an infection in the joint fluid (synovial fluid) and joint tissues. It occurs more often in children than in adults.

Septic arthritis is an infection in the joint fluid (synovial fluid) and joint tissues.

Sever disease occurs when a tendon in one or both of your child's heels becomes injured and inflamed.

Severe acute respiratory syndrome (SARS) is a viral illness. It is very contagious and can spread quickly. It can cause mild illness, severe illness, or death.

SCID is a very rare disease that can be deadly. It causes a child to have a very weak immune system. As a result, the child is unable to fight off even mild infections. The disease is also known as the “boy in the bubble” syndrome ...

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.