Scabies is an infestation of mites (tiny insects) characterized by small, red bumps and intense itching.
A scar is the body's natural way of healing and replacing lost or damaged skin.
Schizophrenia is one of the most complex of all mental health disorders. It involves a severe, chronic, and disabling disturbance of the brain.
Sciatica, also known as lumbar radiculopathy, is a pain that originates along the sciatic nerve, which extends from the back of the pelvis down the back of the thigh.
Scleroderma, also called systemic sclerosis, is a chronic, degenerative disease that affects the joints, skin, and internal organs.
A spine affected by scoliosis shows evidence of a lateral, or sideways, curvature, and a rotation of the back bones (vertebrae), giving the appearance that the person is leaning to one side.
Seasonal Affective Disorder
Seasonal affective disorder, or SAD, is a mood disorder characterized by depression related to a certain season of the year - especially winter.
Sebaceous cysts are harmless, slow-growing bumps under the skin, often appearing on the scalp, face, ears, back, or groin area.
Seborrheic dermatitis is an inflammation of the upper layers of skin, characterized by red, itchy skin that sheds scales.
Epilepsy is a neurological condition involving the brain that makes people more susceptible to having seizures.
Septicemia is the clinical name for blood poisoning.
Severe Acute Respiratory Syndrome (SARS)
Severe acute respiratory syndrome (SARS) is a rapidly spreading, potentially fatal infectious viral disease.
Shingles (Herpes Zoster)
Shingles, or herpes zoster, is a common viral infection of the nerves, which results in a painful rash of small blisters on an area of skin anywhere on the body.
Dislocation of the shoulder means the displacement of the upper arm bone (humerus) out of the shoulder joint.
Shoulder Pain and Problems
Common shoulder problems include the following: dislocation, separation, bursitis, impingement syndrome, tendonitis, rotator cuff tear, adhesive capsulitis (frozen shoulder), and fracture.
Tendonitis of the shoulder is an inflammation of the rotator cuff and/or biceps tendon.
Sickle Cell Disease
Sickle cell disease is an inherited blood disorder characterized by defective hemoglobin (a protein in red blood cells that carries oxygen to the tissues of the body).
Sinusitis is an infection of the sinuses near the nose. These infections usually occur after a cold or after an allergic inflammation.
Skin Cancer (Condition)
Skin cancer is a malignant tumor that grows in the skin cells and accounts for more than 50 percent of all cancers.
Skin Pigment Disorders
Skin color is determined by a pigment (melanin) made by specialized cells in the skin (melanocytes). Some disorders which affect skin color are: albinism, melasma, pigment loss after skin damage, and vitiligo.
Snoring is the sound that occurs during sleep when flow of air is obstructed in the area where the tongue and upper throat meet the soft palate and uvula.
Many activities can lead to soft-tissue damage of muscles, ligaments, and tendons.
Spasmodic dysphonia, also called laryngeal dystonia, is a voice disorder. It is characterized by involuntary spasms or movements in the muscles of the larynx, which causes the voice to break, and have a tight, strained, or strangled sound.
Spinal Cord Injury (Condition)
Acute spinal cord injury (SCI) is due to a traumatic injury that can either result in a bruise (also called a contusion), a partial tear, or a complete tear (called a transection) in the spinal cord.
Sprains and Strains
The majority of sports injuries are caused by minor trauma involving muscles, ligaments, and/or tendons, including contusions (bruises), sprains and strains.
Squamous Cell Carcinoma
Squamous cell skin cancer (sometimes referred to as non-melanoma carcinoma) may appear as nodules, or as red, scaly patches of skin.
Staphylococcal Scalded Skin Syndrome
Staphylococcal scalded skin syndrome is a response to a staphylococcal infection and is characterized by peeling skin.
Stomach and Duodenal Ulcers (Peptic Ulcers)
An ulcer is an open sore, or lesion, usually found on the skin or mucous membrane areas of the body.
Stomach cancer, also known as gastric cancer, is cancer that starts in any part of the stomach.
Stress fractures are weak spots or small cracks in the bone caused by continuous overuse.
Stroke, also called brain attack, occurs when blood flow to the brain is disrupted.
Substance Abuse / Chemical Dependency
There are three different terms used to define substance-related disorders, including substance abuse, substance dependence, and chemical dependence.
Novel H1N1 flu, popularly known as swine flu, is a respiratory infection caused by an influenza virus first recognized in spring 2009. The new virus, which is officially called swine influenza A (H1N1), contains genetic material from human, swine and avian flu viruses
Symptoms and Diagnosis of Multiple Pregnancy
Symptoms of multiple pregnancy may include: uterus is larger than expected for the dates in pregnancy, increased morning sickness, increased appetite, excessive weight gain - especially in early pregnancy, or fetal movements felt in different parts of abdomen at same time.
Systemic Lupus Erythematosus (Lupus)
Systemic lupus erythematosus, also known as SLE, or simply lupus, is a disease that is characterized by periodic episodes of inflammation of and damage to the joints, tendons, other connective tissues, and organs, including the heart, lungs, blood vessels, brain, kidneys, and skin.