- vaccination: see immunization
- vaccine-associated poliomyelitis
- vagotomy, for peptic ulcer disease
- vagus nerve (CN X)
- valacyclovir
- valdecoxib, for pain
- valganciclovir
- valproate/valproic acid
- Valsalva maneuver
- Valsalva ratio
- valsartan
- valvotomy, for mitral stenosis
- valvular heart disease
- valvuloplasty, for mitral stenosis
- vancomycin
- vancomycin-resistant enterococci (VRE)
- VAP: see ventilator-associated pneumonia
- vardenafil, for erectile dysfunction
- varenicline, for smoking cessation
- varicella-zoster immune globulin
- varicella-zoster vaccine
- varicella-zoster virus (VZV) infections
- varicocele
- vascular dementia
- vascular disease
- vascular malformation, myelopathy in
- vascular shunting, anatomic
- vasculitis
- vasoconstrictors, for allergic rhinitis
- vasodilators
- vasopressin
- vasopressin antagonists, for hyponatremia
- vasospasm, in subarachnoid hemorrhage
- vasospastic disorders
- VATS (thoracic surgery, video-assisted)
- vemurafenib, for melanoma
- venlafaxine
- venous disease
- venous insufficiency, chronic
- venous thromboembolism
- ventilation, disorders of
- ventilation/perfusion lung scan
- ventilation/perfusion mismatch
- ventilator-associated pneumonia (VAP)
- ventilatory support
- ventricular aneurysm
- ventricular fibrillation (VF)
- ventricular premature beats
- ventricular septal defect (VSD)
- ventricular septal rupture
- ventricular tachycardia (VT)
- verapamil
- verruca plana
- verruca vulgaris
- verrucous carcinoma
- verruga peruana
- vertebral disk herniation
- vertebral fracture
- vertebral metastasis
- vertigo
- vesicle (skin lesion)
- vestibular function tests
- vestibular neuritis
- vestibular schwannomas
- VF: see ventricular fibrillation
- Vibrio cholerae infections
- Vibrio parahaemolyticus infections
- vidarabine, for HSV infections
- videonystagmography
- vilazodone
- vildagliptin, for diabetes mellitus
- vinblastine
- Vincent's stomatitis
- vincristine
- vindesine, for lung cancer
- vinorelbine
- VIPoma
- viral gastroenteritis
- viral hemorrhagic fever (VHF) syndrome
- viral infections
- viridans streptococci
- virilization
- visceral abscess
- visceral larva migrans
- visceral leishmaniasis (kala-azar)
- visceral pain
- visceral spasm
- vismodegib, for basal cell carcinoma
- visual acuity
- visual field mapping
- visual loss
- vitamin A deficiency
- vitamin A supplementation
- vitamin B
- vitamin C deficiency
- vitamin C supplementation, for nephrolithiasis
- vitamin D deficiency
- vitamin D supplementation
- vitamin E deficiency
- vitamin E supplementation, for menopausal symptoms
- vitamin K deficiency
- vitamin K supplementation
- vitamins
- vitiligo
- vitreous detachment
- vitreous hemorrhage
- voglibose, for diabetes mellitus
- Vogt-Koyanagi-Harada syndrome
- volume regulation
- volume status, assessment of
- vomiting: see nausea and vomiting
- von Hippel-Lindau disease
- von Willebrand disease
- voriconazole
- vortioxetine
- VRE (vancomycin-resistant enterococci)
- VSD (ventricular septal defect)
- VT: see ventricular tachycardia (VT)
- VZV infections: see varicella-zoster virus infections