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Aim: To develop a core list of 100 commonly prescribed drugs to support prescribing education., Methods: A retrospective analysis of prescribing data from primary care in England (2006 and 2008) and from two London Teaching Hospitals (2007 and 2009) was performed. A survey of prescribing by foundation year 1 (FY1) doctors in 39 NHS Trusts across London was carried out., Results: A core list of 100 commonly prescribed drugs comprising ≥0.1% prescriptions in primary and/or secondary care was developed in 2006/7. The core list remained stable over 2 years. FY1 doctors prescribed 65% drugs on the list at least monthly. Seventy-six% of FY1 doctors did not regularly prescribe any drugs not on the core list. There was a strong correlation between prescribing frequency (prescriptions for each drug class expressed as percentage of all prescriptions written) and error rate described in the EQUIP study (errors made when prescribing each drug class expressed as a percentage of all errors made), n= 39, r= 0.861, P= 0.000., Conclusions: Our core drug list identifies drugs that are commonly used and associated with error and is stable over at least 2 years. This list can now be used to develop learning resources and training programmes to improve prescribing of drugs in regular use. Complementary skills required for prescribing less familiar drugs must be developed in parallel. Ongoing research is required to monitor the effect of new training initiatives on prescribing error and patient safety., (© 2011 The Authors. British Journal of Clinical Pharmacology © 2011 The British Pharmacological Society.)

A single dose of ciprofloxacin, 250 mg by mouth, was used in an open study to treat pharyngeal or rectal gonorrhoea or both in 64 patients (32 men and 32 women). The study also included 151 men with urethral gonorrhoea and 53 women with cervical or urethral gonorrhoea. Ciprofloxacin cured 63 (98%) patients with pharyngeal or rectal gonorrhoea (including 5 patients with penicillinase-producing Neisseria gonorrhoeae; PPNG), 147 (97%) men with urethral gonorrhoea (including 8 with PPNG) and 52 (98%) women with cervical or urethral gonorrhoea. All the isolates of N. gonorrhoeae were sensitive to 0.03 mg/l of ciprofloxacin. Five of the 6 patients with treatment failure were subsequently cured by a single oral dose of ciprofloxacin 250 mg. None of the patients reported an adverse reaction. Ciprofloxacin 250 mg as a single oral dose is effective and safe in treating patients with pharyngeal or rectal gonorrhoea, including those with PPNG strains.

A marked increase in the prevalence of bacteraemia due to Escherichia coli of serogroup O15 was noted during November and December 1986 at Charing Cross Hospital. This multiresistant strain had been reported by several hospitals in south London. All isolates of E. coli from patients with bacteraemia between October 1986 and the end of September 1988 were assessed for the presence of the O15 antigen and for the unusual pattern of resistance to six antimicrobial agents. As a guide to faecal carriage, isolates from urine were similarly assessed during seven 4-week periods between January 1987 and June 1988. Of the 123 E. coli isolates from blood, 25 (20%) were serogroup O15 and 20 of these expressed the same pattern of multiresistance; 17 of these multiresistant isolates occurred in the 4-month period 1 Nov. 1986-28 Feb. 1987. During the remaining 19 months of the study only eight isolates were serogroup O15 of which only three were multiresistant. In the first 4-week period that urine isolates were studied 21 Jan. 1987-17 Feb. 1987, 26 (13.2%) of the 195 isolates were serogroup O15 of which 20 were multiresistant. The proportion of serogroup O15 isolates fell gradually until, in June 1988, the last period studied, only 8 (4.2%) of the 189 isolates were serogroup O15, of which only one was multiresistant. In a preliminary study of plasmids in six serogroup O15 isolates from blood, three multiresistant isolates and one that was sensitive to chloramphenicol appeared to carry a similar plasmid of c. 100 Mda.(ABSTRACT TRUNCATED AT 250 WORDS)