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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: Sturge-Weber Syndrome
Sturge-Weber Syndrome information from HowStuffWorks. Learn about causes, symptoms and treatments of Sturge-Weber Syndrome. See more »
Scoliosis
Scoliosis is a condition where the spine curves away from the middle or sideways. Learn about scoliosis causes, symptoms, tests, treatment and prevention.
See more »Scoliosis - Resources
Scoliosis resources are listed below with information provided by the organization listed. See more scoliosis resources and non-profit organizations.
See more »Scrofula
Scrofula is a tuberculous infection of the skin of the neck most often from mycobacteria. Learn about scrofula causes, symptoms, treatment and prevention.
See more »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 »Scurvy
Scurvy is a vitamin C deficiency causing weakness, anemia, gum disease and skin hemorrhages. Learn about scurvy causes, symptoms, tests, treatment and prevention.
See more »Seasonal Affective Disorder
Seasonal affective disorder or SAD is a form of depression relating to the seasons. Learn about seasonal affective disorder causes, symptoms, tests, treatment and prevention.
See more »Sebaceous Cyst
Sebaceous cyst is a closed sac below the skin with pasty or cheesy-looking secretions. Learn about sebaceous cyst causes, symptoms, treatment and prevention.
See more »Seborrheic Dermatitis
Dandruff or seborrheic dermatitis is a common inflammatory skin condition causing flaky scales. Learn about seborrheic dermatitis causes, symptoms, tests, treatment and prevention.
See more »Seborrheic Keratosis
Seborrheic keratosis is the presence of benign wart-like skin growth. Learn about seborrheic keratosis causes, symptoms, treatment and prevention.
See more »Secondary Amenorrhea
Secondary amenorrhea is lack of periods for 6 or more months in a non-pregnant woman. Learn about secondary amenorrhea causes, symptoms, treatment and prevention.
See more »Secondary Aplastic Anemia
Secondary aplastic anemia is failure of the bone marrow to form enough of all blood cell types. Learn about secondary aplastic anemia causes, symptoms, treatment and prevention.
See more »Secondary Hyperparathyroidism
Secondary hyperparathyroidism is excessive parathyroid hormone production due to low blood calcium levels. Learn about secondary parathyroidism causes, symptoms, treatment and prevention.
See more »Secondary Parkinsonism
Secondary parkinsonism is a disorder with Parkinson’s disease symptoms but caused by medication, illness or other disorder. Learn about secondary parkinsonism causes, symptoms, tests, treatment and prevention.
See more »Secondary Systemic Amyloidosis
Secondary systemic amyloid occurs when insoluble fiber protein deposits impair muscle and organ functions. Learn about secondary systemic amyloid causes, symptoms, treatment and prevention.
See more »Selective Deficiency Of IgA
Selective Deficiency Of IgA information from HowStuffWorks. Learn about causes, symptoms and treatments of Selective Deficiency Of IgA.
See more »Selective Mutism
Selective Mutism information from HowStuffWorks. Learn about causes, symptoms and treatments of Selective Mutism.
See more »Senile Cerebral Amyloid Angiopathy
Senile cerebral amyloid angiopathy is amyloid protein deposits in the walls of the brain arteries. Learn about senile cerebral amyloid angiopathy causes, symptoms, treatment and prevention.
See more »Sensorimotor Polyneuropathy
Sensorimotor polyneuropathy is a decrease in movement or sensation due to nerve damage. Learn about sensorimotor polyneuropathy causes, symptoms, treatment and prevention.
See more »Separation Anxiety
Separation anxiety is a developmental stage causing anxiety in a child separated from the primary care giver. Learn about separation anxiety causes, symptoms, tests, treatment and prevention.
See more »Sepsis
Sepsis or SIRS is a sever illness caused by bacterial infection that can cause hyperventilation, low blood pressure and shock. Learn about sepsis causes, symptoms, tests, treatment and prevention.
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Common Conditions:
