Encouraging Rational Prescribing
One of the first challenges is to promote and develop rational prescribing, and a number of international initiatives exist in this area. WHO has actively promoted rational drug use as one of the major elements in its Drug Action Programme. In its publication A Guide to Good Prescribing the process is outlined as:
- define the patient's problem
- specify the therapeutic objectives
- verify whether your personal treatment choice is suitable for this patient
- start the treatment
- give information, instructions and warnings
- monitor (stop) the treatment.
The emphasis is on developing a logical approach, and it allows for clinicians to develop personal choices in medicines (a personal formulary) which they may use regularly. The program seeks to promote appraisal of evidence in terms of proven efficacy and safety from controlled clinical trial data, and adequate consideration of quality, cost and choice of competitor drugs by choosing the item that has been most thoroughly investigated, has favorable pharmacokinetic properties and is reliably produced locally. The avoidance of combination drugs is also encouraged.
The routine and irrational use of injections should also be challenged. One study undertaken in Indonesia found that nearly 50% of infants and children and 75% of the patients aged five years or over visiting government health centers received one or more injections. The highest use of injections was for skin disorders, musculoskeletal problems and nutritional deficiencies. Injections, as well as being used inappropriately, are often administered by untrained personnel; these include drug sellers who have no understanding of clean or aseptic techniques.
Another group active in this area is the International Network for the Rational Use of Drugs (INRUD). This organization, established in 1989, exists to promote rational drug use in developing countries. As well as producing training programs and publications, the group is undertaking research in a number of member countries, focused primarily on changing behavior to improve drug use. One of the most useful publications from this group is entitled Managing Drug Supply. It covers most of the drug supply processes and is built up from research and experience in many developing countries. There a number of case studies described, many of which have general application for pharmacists working in developing countries.
In all the talk of rational drug use, the impact of the pharmaceutical industry cannot be ignored, with its many incentive schemes for doctors and pharmacy staff who dispense, advise or encourage use of particular products. These issues have been highlighted in a study of pharmaceutical sales representative (medreps) in Mumbai. This was an observational study of medreps' interactions with pharmacies, covering a range of neighborhoods containing a wide mix of social classes. It is estimated that there are approximately 5000 medreps in Mumbai, roughly one for every four doctors in the city. Their salaries vary according to the employing organization, with the multinationals paying the highest salaries. The majority work to performanace-related incentives. One medrep stated "There are a lot of companies, a lot of competition, a lot of pressure to sell, sell! Medicine in India is all about incentives to doctors to buy your medicines, incentives for us to sell more medicines. Even the patient wants an incentive to buy from this shop or that shop. Everywhere there is a scheme, that's business, that's medicine in India.'
The whole system is geared to winning over confidence and getting results in terms of sales; this is often achieved by means of gifts or invitations to symposia to persuade doctors to prescribe. With the launch of new and expensive antibiotics worldwide, the pressure to sell with little regard to the national essential drug lists or rational prescribing. One medrep noted that this was not a business for those overly concerned with morality. Such a statement is a sad reflection on parts of the pharmaceutical industry, which has an important role to play in the development of the health of a nation. It seems likely that short-term gains are made at the expense of increasing problems such as antibiotic resistance. The only alternatives are to ensure practitioners have the skills to appraise medicine promotion activities or to more stringently control pharmaceutical promotional activities.
Read more about this topic: Evidence-based Pharmacy In Developing Countries
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