Diseases and Conditions

Find doctor-approved information about symptoms, causes, diagnosis, treatment and prevention of common diseases and conditions.

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  • Ectopic Pregnancy

    An ectopic pregnancy happens when a fertilized egg implants and grows outside the uterus, usually in the fallopian tube.

  • Eczema and Atopic Dermatitis

    Eczema is a general term for rash-like skin conditions. The most common type of eczema is called atopic dermatitis, which…

  • Edema

    Edema is swelling or puffiness of parts of the body. Edema usually happens in the feet, ankles, and legs. It…

  • Endometrial Cancer

    Endometrial cancer occurs in the lining of a woman’s uterus. Learn about the symptoms, diagnosis, and treatment of this common…

  • Endometrial Hyperplasia

    Endometrial hyperplasia is an overgrowth of tissue in the endometrium, in which the uterine lining becomes too thick and causes…

  • Endometriosis

    Endometriosis is a medical condition in which the lining of the uterus grows on the outside of the uterus.

  • Enlarged Adenoids

    Adenoids are tiny pieces of tissue at the back of your throat. They help children’s bodies fight infection by catching…

  • Eosinophilic Esophagitis

    Eosinophilic esophagitis (EoE) is an inflammatory, allergic disease. It may be confused with GERD. Learn about the symptoms and…

  • Epilepsy

    Epilepsy is a disorder of the brain. People who have epilepsy have electrical activity in the brain that is not…

  • Erectile Dysfunction (ED)

    Erectile Dysfunction (ED) is a medical condition that prevents a man from getting or keeping an erection.

  • Esophageal Atresia and Tracheoesophageal Fistula

    Esophageal atresia (EA) and a tracheoesophageal fistula (TEF) is a digestive disorder that can affect some babies at birth.

  • Essential Tremor

    Essential tremor is a disorder in your nervous system. It causes shaking movements that you can’t control, most often in…

  • Eustachian Tube Dysfunction

    Eustachian tube dysfunction is when the tube connecting your throat and middle ear gets inflamed and plugged up. It can…

  • Exercise-induced Bronchospasm

    Learn about the symptoms, causes, diagnosis, and treatment of exercise-induced bronchospasm.

  • Exercise-induced Urticaria

    Exercise-induced urticaria is a condition that produces hives and other allergic symptoms, such as itching or swelling, during or after…

  • Fainting

    Fainting happens when your brain does not get enough oxygen. You lose consciousness, or “pass out,” for a few seconds…

  • Febrile Seizures

    Febrile seizures typically occur in children ages 12 months to 18 months. They are generally harmless and caused by a…

  • Fecal Incontinence

    Fecal incontinence is the inability to control bowel movements. This leads to stool (feces) leaking from the rectum at unexpected…

  • Female Athlete Triad

    The female athlete triad is a disorder that women can develop that affects energy levels, menstrual cycles, and bone…

  • Fetal Alcohol Syndrome

    Fetal alcohol syndrome (FAS) is the most serious type of fetal alcohol spectrum disorder (FASD), which occur when a mother…