Manufacturing expiration dating policy
The letter O represents October, N represents November and D represents December.
Some manufacturers use a number to represent the year, such as and .
But to Lee Cantrell, who helps run the California Poison Control System, the cache was an opportunity to answer an enduring question about the actual shelf life of drugs: Could these drugs from the bell-bottom era still be potent?
Cantrell called Roy Gerona, a University of California, San Francisco, researcher who specializes in analyzing chemicals.
Gail Sessoms, a grant writer and nonprofit consultant, writes about nonprofit, small business and personal finance issues. The federal government only requires expiration dates on baby foods and infant formula. Open dating uses calendar dates and closed, or coded, dating is a process used by manufacturers to help with managing inventory.The approved way lies in a voluntary system of labeling. The only items required by federal law to be labeled for expiration are infant formula and some baby foods; some states also mandate pulling dairy from store shelves on the expiration date. The actual term "Expiration Date" refers to the last date a food should be eaten or used. Other, more commonly spotted terms are: The FDA does require that drugs carry an expiration date.Alan Goldhammer, Ph D, associate vice president for regulatory affairs of the Pharmaceutical Research and Manufacturers of America (Ph RMA), tells Web MD that safety, purity, and potency must be tested and established over time by drug manufacturers.Check the code to see if numbers are used to represent months.If the code uses numbers, the numbers 1 through 9 represent the months of January to September.
Gerona had grown up in the Philippines and had seen people recover from sickness by taking expired drugs with no apparent ill effects. “Who gets the chance of analyzing drugs that have been in storage for more than 30 years?