12 on the Fortune 500 list for 2014. Walgreens With $76.4 billion in product sales at fiscal year-end August 2014, and prescription medications accounting for 64.2 percent of sales, Walgreens’ prescription revenues are estimated around $49 billion. In 2013, prescriptions accounted for a slightly lower %age . The estimated total prescriptions filled had been 856 million in 2014, from 821 million in 2013 up, relating to a Walgreens fact sheet. The company keeps that it accounted for 19 percent of the united states retail prescription drug marketplace in 2014, weighed against 18.7 percent in 2013.However, it functions as a co-carcinogen which can enhance the dangerous impact of various other carcinogens in the physical body. This is also true for tobacco users whose risks are multiplied when tobacco and alcohol are combined regular practices.. Lisa Rosenbaum, M.D.: Transitional Chaos or Enduring Harm? The EHR and the Disruption of Medicine A decade ago, a primary care physician I admired seemed to come undone. His performance had derived not really from rushing between individuals but from knowing them therefore well that his charting was effortless and fast.