Harrison's Manual of Medicine
- undecylenic acid, for dermatophyte infections
- urate nephropathy
- urea, for hyponatremia
- urea breath test
- uremia
- ureteral obstruction
- ureterosigmoidostomy
- urethral syndrome
- uric acid nephropathy
- uricosuric drugs, for gout
- urinalysis
- urinary incontinence, in terminally ill patient
- urinary retention
- urine 3-methylhistidine
- urokinase, for thrombotic disorders