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The new global context, the dramatic rise in the cost of many health technologies, and the mounting pressures that constrain health sector budgets in most countries have created the need to evaluate health interventions, including pharmaceuticals, from an economic perpective. Pharmacoeconomics is "the application of economic theory to pharmacotherapeutics" and is often linked to commercial marketing. We propose standardizing the various methods of economic analysis so as to allow for comparisons and assessment of correct relationships. The author concludes pharmacoeconomics is simply an analytical tool that can be applied for scientific assessment or commercial promotion, depending on the objectives and purpose for which use of this new discipline is intended.