Learn more about what ails you. Here are some common symptoms.
Common Symptoms:
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Diseases and Medical Conditions S-U provides down-to-earth, comprehensive definitions of hundreds of ailments and illnesses beginning with the letters S-U. Each listing identifies causes, incidence and risk factors, notes symptoms, outlines tests and discusses treatments and support groups where applicable.
Featured Article: Scrotal Masses
Scrotal masses are benign or malignant lumps that can be felt in the scrotum. Learn about scrotal mass causes, symptoms, treatment and prevention. See more »
Subdural Effusion
Subdural effusion is a collection of pus beneath the brain’s outer membrane covering. Learn about subdural effusion causes, symptoms, treatment and prevention.
See more »Subdural Hematoma
Subdural hematoma is a collection of blood on the brain’s surface beneath the dura. Learn about subdural hematoma causes, symptoms, treatment and prevention.
See more »Sudden Infant Death Syndrome
Sudden infant death syndrome or SIDS is the unexplainable, sudden death of a child under age 1. Learn about sudden infant death syndrome causes, symptoms, tests, treatment and prevention.
See more »Suicide And Suicidal Behavior
Suicide and suicidal behavior are deliberate life-threatening actions often related to psychiatric illness. Learn about suicide and suicidal behavior prevention, causes, and treatment.
See more »Superficial Thrombophlebitis
Superficial thrombophlebitis is inflammation in a vein below the skin’s surface due to a blood clot. Learn about superficial thrombophlebitis causes, symptoms, treatment and prevention.
See more »Supranuclear Ophthalmoplegia
Supranuclear ophthalmoplegia is an inability to voluntarily move the eyes in all directions. Learn about supranuclear ophthalmoplegia causes, symptoms, treatment and prevention.
See more »SVC Obstruction
SVC obstruction is the narrowing or blockage of the superior vena cava, the 2nd largest vein. Learn about SVC obstruction causes, symptoms, treatment and prevention.
See more »Swimmer's Ear
Swimmer’s ear is an irritation or infection of the ear by pollutants, inserted objects, bacteria or colds. Learn about swimmer’s ear causes, symptoms, tests, treatment and prevention.
See more »Swimmer's Ear - Chronic
Swimmer's ear – chronic is a recurring or persistent infection of the ear canal. Learn about chronic swimmer’s ear causes, symptoms, treatment and prevention.
See more »Swimming Pool Granuloma
Swimming pool granuloma, a skin infection, is caused by the Mycobacterium marinum bacteria. Learn about swimming pool granuloma causes, symptoms, treatment and prevention.
See more »Sydenham Chorea
Sydenham chorea, associated with rheumatic fever, involves involuntary muscle movements. Learn about Sydenham chorea causes, symptoms, treatment and prevention.
See more »Syringomyelia
Syringomyelia is spinal cord damage due to pressure exerted by a fluid filled cavity. Learn about syringomyelia causes, symptoms, treatment and prevention.
See more »Systemic Lupus Erythematosus
Lupus or systemic lupus erythematosus is a chronic, inflammatory autoimmune disorder. Learn about lupus types, causes, symptoms, tests, treatment and prevention.
See more »Systemic Sclerosis (scleroderma)
Systemic sclerosis (scleroderma) is a diffuse connective tissue disease with unknown causes. Learn about systemic sclerosis causes, symptoms, treatment and prevention.
See more »Taeniasis
Taeniasis or tapeworm infection is caused by beef, pork or fish tapeworms ingested in raw or undercooked meat. Learn about tapeworm causes, symptoms, tests, treatment and prevention.
See more »Takayasu Arteritis
Takayasu arteritis, an autoimmune disorder, is inflammation of the aorta and its branches. Learn about Takayasu arteritis causes, symptoms, treatment and prevention.
See more »Tardive Dyskinesia
Tardive dyskinesia causes involuntary lower facial movements from long-term neuroleptic drug use. Learn about tardive dyskinesia causes, symptoms, treatment and prevention.
See more »Tay-Sachs Disease
Tay-Sachs disease is the accumulation of un-metabolized gangliosides in the brain resulting in premature death. Learn about Tay-Sachs disease causes, symptoms, tests, treatment and prevention.
See more »Temporal Arteritis
Temporal arteritis is necrosis and inflammation of one or more arteries. Learn about temporal arteritis causes, symptoms, treatment and prevention.
See more »Temporal Lobe Seizure
Temporal lobe seizure is caused by abnormal electrical activity in the temporal lobe of the brain. Learn about temporal lobe seizure causes, symptoms, treatment and prevention.
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Common Conditions:
