U

UC (ulcerative colitis), 541–542 See also Inflammatory bowel disease (IBD)
UK Prospective Diabetes Study (UKPDS), 584
Ulcerative colitis (UC), 541–542 See also Inflammatory bowel disease (IBD)
Ulcers
aphthous, 568
peptic See Peptic ulceration
Ultraviolet B (UVB) light, 272
Ultraviolet (UV) radiation, 265, 265f
Umbrella brand (proprietary) name, 71
Unacceptable risks, 11–12
Unavoidable risks, 10–11
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Uncomplicated gonorrhoea, 200–201
Underdosing, 24
Under-prescribing, cost-containment, 19
Unintentional non-compliance, 22
Un-ionised drugs, 80
Unithiol, 128t, 129
Unlicensed drugs, 66
Unstable angina, 412
Unstable bladder, 463
Unwanted drug collection campaigns, 23
Unwanted effects, 110–120
definitions, 111
secondary effects, 111 See also Adverse drug reactions (ADRs) specific effects
Unwanted medicines, 27
Upper urinary tract infection, 199
Uptake transporters, 93
Urate nephropathy, 514
Urate retention, 459
Urea, 267
Ureidopenicillins, 176
Urethral sphincter dysfunction, 463
Urethritis, non-gonococcal, 201
Urinary bladder
parasympathetic nervous system, 373
unstable, 463
Urinary retention, diuretic drugs adverse effects, 458
Urinary tract See Genitourinary tract
Urinary tract infections
asymptomatic, 200
bacterial infections, 199–200
chemoprophylaxis, 200
fosfomycin, 186
recurrent, 199–200
septicaemia, 191
Urine acidification, 461
Urine alkalinisation, 460–461
Urine pH changes, 460–461
poisoning therapy, 126
Urine screens, poisoning resuscitation, 124, 124t
Urispas See Flavoxate (Urispas)
Urogenitary tract See Genitourinary tract
Urokinase-type plasminogen activators (uPA), 491
Ursodeoxycholic acid
gallstones, 555
primary biliary cirrhosis, 552
primary sclerosing cholangitis, 552
Urticaria, 273–274
ACE inhibitors, 399
acute, 273
allergic reactions, 116
chronic, 273–274
drug adverse effects, 268
Uterine haemorrhage, 613
Uterine relaxants, 613