- Laryngitis
- Larynx Cancer see Throat Cancer
- Larynx Pictures
- Laser Eye Surgery see LASIK
- Lateral Epicondylitis see Tennis Elbow
- Latex Allergy
- Lead poisoning
- Learning Disability see Dyslexia
- Leg Pain see Shin Splints
- Leishmaniasis
- Leprosy
- Leukemia
- Leukoplakia
- Lice
- Lichen Planus
- Lipitor
- Liver Disease
- Lung Cancer
- Lung Diseases
- Lung Pictures
- Lupus
- Lyme Disease : Pictures
- Lymphoma