Diagnosaurus
- Vaginitis
- Varicella
- Varices, esophageal
- Varicocele
- Varicose veins
- Vasculitis, hypersensitivity
- Vasculitis, leukocytoclastic
- Vasculitis syndromes
- Veins, varicose
- Venous insufficiency, chronic
- Ventricular fibrillation
- Ventricular septal defect
- Ventricular tachycardia
- Vertigo
- Vertigo, benign positioning
- Violent behavior
- Viral encephalitis
- Viral exanthem
- Viral rhinitis
- Visceral larva migrans
- Visual loss, acute
- Visual loss, chronic
- Visual loss, fleeting
- Vitamin B12 deficiency
- Vitamin K deficiency
- Vitiligo
- Vitreous hemorrhage
- Vocal cord paralysis
- von Willebrand's disease
- VSD
- Vulvar cancer
- Vulvovaginal candidiasis