- E Coli
- Ear Disorders see Ear, Nose, Throat
- Ear infections
- Eating Disorders see Anorexia
- Ebola
- Ecoli
- Eczema
- Edema
- Elbow Injuries see Tennis Elbow
- Elephantiasis
- Emergency Medicine
- Emphysema
- Encephalitis
- Endocrine System
- Endometrial Cancer
- Endometriosis
- Environmental Health
- Enzyte
- Epilepsy
- Epstein-Barr Virus
- Erysipelas see Cellulitis
- Erythema Multiforme
- Eye Diseases
- Eye Diseases & HIV