WarfarinWarts and verrucasWarts, genitalWatering eyesWeber-Christian diseaseWegener's granulomatosisWeight loss (unexpected and unplanned)Weight loss surgeryWeil's diseaseWeltsWest Nile virusWhiplashWhite blood cell deficienciesWhite blood cell differential testWhite coated tongueWhooping coughWindWinter vomiting diseaseWisdom tooth removalWolff-Parkinson-White syndromeWomb (uterus) cancerWomb cancerWork related upper limb disorder (WRULD)Wrist, broken