Handbook
R
- Radiodermatitis
- Radiodermatitis acuta
- Rat bite disease
- Raynaud's phenomenon
- Raynaud's syndrome
- Reactive perforating collagenosis
- Reed Syndrome (Hereditary Leiomyomatosis and Renal Cell Carcinoma – HLRCC)
- Rhinoscleroma
- Rickettsial pox
- Rickettsiosis
- Rocky Mountain spotted fever
- Rosacea
- Rowell syndrome
- Rubella
- Rubeola scarlatinosa
- Rubeosis faciei