The US Food and Drug Administration has expanded its guidance on testing certain medicines for diethylene glycol to also test for ethylene glycol, and to test an open-ended list of additional excipients for the deadly adulterants.
Revised US FDA Guidance Calls For Testing More Excipients For DEG And EG
Substantial revision of 2007 DEG guidance comes after hundreds of deaths in seven countries that were linked to diethylene glycol and ethylene glycol adulteration. All containers and all lots of certain additional excipients must now be tested, and many others should be.

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