Learn about what your spleen does and what can happen if it becomes enlarged.
Disease
Entropion
In entropion, your eyelid turns inward, causing lashes and skin to rub against the eye. Learn about causes and treatment for this irritating eye condition.
Disease
Eosinophilic esophagitis
Learn more about the causes and treatment of eosinophilic esophagitis — a digestive disease caused by an allergic reaction.
Disease
Ependymoma
Learn about this tumor that forms from ependymal cells in the brain and spinal cord. Treatments include surgery, radiation therapy and chemotherapy.
Disease
Epidermoid cysts
Find out more about this usually harmless, common skin bump in adults.
Disease
Epidermolysis bullosa
Learn about a rare inherited disease that often shows up in infancy and causes fragile, blistering skin on the palms and feet. Severe disease may be fatal.
Disease
Epididymitis
This inflammation of the coiled tube at the back of the testicle that stores and carries sperm is usually caused by a bacterial infection.
Disease
Epiglottitis
A blocked windpipe needs prompt treatment.
Disease
Epilepsy
Learn about this condition that causes seizures. Find out which symptoms are associated with different types of seizures and how they're treated.
Disease
Epithelioid sarcoma
This rare, slow-growing soft tissue cancer tends to occur in teenagers and young adults. It often starts in a hand, wrist, arm or leg.
Disease
Erectile dysfunction
Know what can cause not being able to get and keep an erection for sexual activity and the possible treatments.
Disease
Esophageal cancer
Learn about the symptoms, diagnosis and treatments for this type of cancer that begins in the tube that connects the throat and the stomach.