But branding does have an impact on the effectiveness of some over-the-counter medicines (because of the placebo effect): >The effect of branding--that is, the

But branding does have an impact on the effectiveness of some over-the-counter medicines (because of the placebo effect): >The effect of branding--that is, the labelling and marketing--of a well-known proprietary analgesic used to treat headaches was studied in a sample of women given a branded or unbranded form with either an inert or an active formulation....The findings showed that branded tablets were overall significantly more effective than unbranded tablets in relieving headaches. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1505530/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1505530/