- U-Lactin
- Ulcer
- Ulcerated lesions
- Ulcerative colitis
- Ulcerative stomatitis
- Ulcer disease, peptic
- Ulnar neuropathy
- Ultralente insulin preparations
- Ultravate
- Undernutrition, in elderly
- Univasc
- Unoprostone 0.25% solution
- Unstable angina
- Upper gastrointestinal bleeding
- Upper motor neuron deficit, spasticity from
- Upper respiratory tract infection (URI)
- Ureteral calculi
- Ureter cancer
- Urethral discharge, men
- Urethral discharge, women
- Urethritis, chlamydial
- Urge incontinence
- Uric acid, elevated
- Uric acid calculi
- Urinary calcium, excess, diagnostic criteria for
- Urinary calculi
- Urinary frequency
- Urinary incontinence
- Urinary incontinence, in elderly
- Urinary infection, E. coli, uncomplicated, drugs for
- Urinary stone disease
- Urinary tract infection (UTI)
- Urinary tract obstruction
- Urinary urgency
- Urine, cloudy
- Urine, dark
- Urine bilirubin
- Urticaria
- Usual interstitial pneumonia
- Uterine bleeding, dysfunctional
- Uterine cancer
- Uterine fibroids
- Uterine leiomyomas
- Uterine leiomyomas (fibroids)
- Uterine prolapse
- Uterus, leiomyoma of
- Uveitis