• Ear infections

• Earache

• Early menopause

• Early or delayed puberty

• Earwax build-up

• Ebola virus disease

• Echocardiogram

• Ectopic pregnancy

• Ectropion

• Edwards' syndrome (trisomy 18)

• Ehlers-Danlos syndromes

• Ejaculation problems

• Elbow and arm pain

• Electrocardiogram (ECG)

• Electroencephalogram (EEG)

• Electrolyte test

• Embolism

• Emollients

• Empyema

• Encephalitis

• Endocarditis

• Endometriosis

• Endoscopy

• Enhanced recovery

• Epidermolysis bullosa

• Epididymitis

• Epidural

• Epiglottitis

• Epilepsy

• Erectile dysfunction (impotence)

• Erythema multiforme

• Erythema nodosum

• Erythrocytosis

• Erythromelalgia

• Euthanasia and assisted suicide

• Ewing sarcoma

• Excessive daytime sleepiness (hypersomnia)

• Excessive hair growth (hirsutism)

• Excessive sweating (hyperhidrosis)

• Excessive thirst

• Eye cancer

• Eye injuries

• Eye tests for children

• Eyelid problems