Absence of harm is a tenuous basis for selling OTC products

摘要

In your editorial (PJ, 19 July 2008, p58), why single out homoeopathic products to bear the burden of proof of efficacy? If over-the-counter products were subjected to a similar demand for evidence of effectiveness in the form and strengths available, pharmacy shelves would be far less crowded, starting with the cough and cold section.