This study was conducted to determine the reasons for the choice of self-prescribed laxatives and to acquire information on how they were used and tolerated. From November 1999 to February 2000, 70 pharmacies, uniformly located throughout the Campania region of southern Italy, distributed a questionnaire to purchasers of over-the-counter laxatives. The average age of the (mostly female) respondents was 45.9 years; 23.8% were elderly. Among the 7324 individuals who completed the survey, 77.6% selected an oral product; 22.4% preferred rectal administration. A physician influenced the choice of a laxative in 37.7% of the cases, a pharmacist in 20.5%; other suggestions came from relatives (14%), acquaintances (12.1%), advertisements (11.7%), and miscellaneous sources (4%). Only 59.8% of respondents used these drugs correctly, and 58.2% consulted a physician or pharmacist because of constipation. Adverse effects, mainly gastrointestinal symptoms, occurred in 6.1% of those surveyed. The long-term use or abuse of laxatives can cause serious medical consequences, as well as mask diseases, delaying diagnosis and appropriate treatment. Physicians, pharmacists, and other health-care personnel should counsel patients on the proper use of these easily available, ubiquitous drugs.
The aim of this retrospective observational study was to investigate: a) expenditure for antibiotics with respect to the total pharmacy drug budget and to costs of other medical devices; b) the most frequently used antimicrobial classes and molecules; c) the clinical units that most frequently use antimicrobial therapy; d) the preferred route of administration; e) consumption patterns of antibiotics over two periods (January-September 1999 and January-September 2000). The consumption of a single antimicrobial agent was expressed as daily defined doses (DDD) per 100 bed days. In 1999 drugs accounted for 56% of the total costs but decreased to 46% in 2000. Antibiotics accounted for 15% of the pharmacy's overall acquisition costs in 1999 and dropped to 13% in 2000. In both 1999 and 2000, penicillins were used most, followed by cephalosporins and aminoglycosides. In 1999, the most frequently used antibiotic was amoxicillin (4.02 DDD per 100 bed days) followed by ceftazidime, ampicillin, ceftriaxone, and co-amoxiclav. In 2000 ceftriaxone was the most commonly used antibiotic (4.35 DDD per 100 bed days) followed by co-amoxiclav, amoxicillin, ceftazidime. The general surgery, medical therapy and infectious diseases units accounted for the majority of penicillin consumption, while cephalosporins were most widely used in general surgery, orthopedics and neurosurgery units. Parenteral administration was the most widely used route in both years.
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