How common are adverse drug events?
Nov 05, 2019
2.2 million serious adverse events occur per year, according to a report published by the Journal of the American Medical Association. These ADEs lead to approximately 1.3 million emergency room (ER) visits per year, and $3.5 billion excess spend of medical costs. 
1 – National Human Genome Institute - National Institutes of Health (NIH) www.genome.gov