Diagnosaurus
- Ear, diseases of the auricle
- Ear canal diseases
- Ear infection, middle, acute
- Ear infection, middle, chronic
- Ear ringing
- Echinococcosis
- Eclampsia
- Ectopic pregnancy
- Eczema
- Eczema, dyshidrotic
- Eczema, nummular or discoid
- Edema, lymph
- Edema, pulmonary
- Effusion, knee
- Effusion, pericardial
- Ehrlichiosis
- EKG: long QT
- Emphysema
- Encephalitis
- Encephalopathy, hepatic
- Endocarditis, infective
- Endometrial cancer
- Endometriosis
- Endometritis
- Enteric fever
- Enterobiasis (pinworm infection)
- Eosinophilic pulmonary syndromes
- Epicondylitis
- Epididymitis
- Epidural abscess
- Epiglottitis
- Epilepsy
- Episcleritis
- Epstein-Barr virus infection
- Erectile dysfunction
- Erysipelas
- Erythema infectiosum
- Erythema multiforme major
- Erythema multiforme minor
- Erythema nodosum
- Erythroderma, exfoliative
- Erythromelalgia
- Erythroplakia
- Esophageal cancer
- Esophageal candidiasis
- Esophageal motility disorders
- Esophageal stricture
- Esophageal varices
- Esophageal webs
- Esophagitis
- Essential tremor
- Ethylene glycol poisoning
- Eustachian tube dysfunction
- Exanthem, viral
- Exfoliative dermatitis or erythroderma
- External otitis
- Extremities, hypothermia
- Extrinsic allergic alveolitis
- Eye dryness
- Eyelid disorders