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Dystonia
Dystonia is a movement disorder that causes involuntary muscle contractions. These contractions can lead to abnormal postures, twisting, or repetitive movements that…
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Earwax Build-Up
Earwax normally protects the ear canal from dust, germs, and irritation while helping clean the ear as it moves outward. Sometimes earwax…
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Ecthyma
Ecthyma is a bacterial skin infection that forms sores beneath thick crusts. It is commonly caused by Staphylococcus aureus or Streptococcus bacteria.…
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Ectopic Pregnancy
An ectopic pregnancy happens when a fertilized egg implants outside the uterus, most often in a fallopian tube. This pregnancy cannot develop…
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Eczema
Eczema is a group of inflammatory skin conditions that can cause dry, itchy, irritated, or discolored skin. Atopic dermatitis is the most…
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Eczema Herpeticum
Eczema herpeticum is a rapidly spreading infection caused by herpes simplex virus, usually HSV-1 or HSV-2. The virus can enter areas affected…
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Enamel Hypoplasia
Enamel hypoplasia occurs when tooth enamel does not form to its normal thickness or shape, usually while a tooth is developing. This…
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End Stage Renal Disease
End Stage Renal Disease (ESRD) is the most advanced stage of chronic kidney disease, when the kidneys have lost most of their…
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Endometrial Cancer
Endometrial cancer is cancer that begins in the endometrium, the inner lining of the uterus. It is the most common type of…
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Endometriosis
Endometriosis is a condition in which tissue similar to the lining of the uterus grows outside the uterus. This tissue may affect…
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Epigastric Hernia
An epigastric hernia is a weakness or opening in the upper midline of the abdominal wall, usually between the breastbone and belly…
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Epilepsy
Epilepsy is a neurological disorder that causes repeated, unprovoked seizures. Seizures happen when there are sudden bursts of abnormal electrical activity in…
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Erysipelas
Erysipelas is a sudden bacterial infection affecting the upper layers of the skin and nearby lymphatic vessels. It commonly appears on the…
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Esophageal Cancer
Esophageal cancer begins in the lining or other tissues of the esophagus, the muscular tube that carries food from the throat to…
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Esophageal Diverticulum
An esophageal diverticulum is an abnormal pouch or sac that protrudes from the wall of the esophagus, the tube that carries food…
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Esophageal Leiomyoma
An esophageal leiomyoma is a usually slow-growing, benign tumor that develops from smooth-muscle cells in the wall of the esophagus. This rare…
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Essential Hypertension
Essential hypertension is persistently high blood pressure without one specific, identifiable cause. It occurs when blood pushes too strongly against artery walls…
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Exotropia
Exotropia is a type of strabismus in which one or both eyes turn outward instead of pointing in the same direction. This…
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Fabry Disease
Fabry disease is an inherited lysosomal storage disorder caused by reduced or absent activity of the enzyme alpha-galactosidase A. Without enough of…
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Fanconi Anemia
Fanconi anemia is a rare inherited DNA-repair disorder that can affect the bone marrow's ability to make healthy blood cells. It may…
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Fatty Liver Disease
Fatty liver disease is a medical condition in which too much fat accumulates inside liver cells. It may affect people with metabolic…
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Febrile Seizures
Febrile seizures are seizures associated with a fever in young children, usually between about 6 months and 5 years of age. A…
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Female Infertility
Female infertility means having difficulty becoming pregnant or carrying a pregnancy to term. It may result from problems with ovulation, the reproductive…
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Femoral Hernia
A femoral hernia occurs when tissue, such as part of the intestine or fatty tissue, pushes through a weak spot near the…
