Most strains of E. coli bacteria are harmless, but some can cause severe symptoms. Learn about symptoms and treatment of this common foodborne illness.
Disease
Ear infection (middle ear)
These usually get better on their own, but sometimes medicine is needed. Find out more about diagnosis and treatment of this common ear condition.
Disease
Earwax blockage
Learn simple steps for treatment and self-care of this common problem, including earwax removal.
Disease
Eating disorders
Anorexia, bulimia and binge-eating disorder affect physical and mental health. Learn about symptoms, causes, risk factors, diagnosis and treatment options.
Disease
Ebstein anomaly
In this rare heart defect, the tricuspid heart valve didn't form properly. This can affect the heart's ability to pump blood. Know the risks and symptoms.
Disease
Ectopic pregnancy
Ectopic pregnancy occurs outside the uterus, threatening the mother's life. It can't continue normally. But swift treatment can prevent deadly blood loss.
Disease
Ectropion
Ectropion is an eye condition in which your eyelid sags or turns outward. Find out about causes and treatment for this common eye problem.
Disease
Edema
Learn about symptoms, causes and treatment of swelling caused by too much fluid in body tissues.
Disease
Egg allergy
This allergy can cause a serious reaction in children and adults. Learn the symptoms and what to do in case of a serious reaction.
Disease
Ehlers-Danlos syndrome
Learn about these complex genetic disorders that cause problems with connective tissue in the skin, joints and blood vessel walls.
Disease
Ehrlichiosis and anaplasmosis
Learn how to prevent and treat the tick-borne diseases ehrlichiosis and anaplasmosis.
Disease
Eisenmenger syndrome
This complication of an unrepaired congenital heart defect needs to be watched closely. Learn how treatment can help manage symptoms.