The U.S. Food and Drug Administration withdrew approval for Antizol-Vet, an antidote for antifreeze poisoning in dogs available through veterinarians, at the request of the drug's sponsor, Paladin Labs Inc. Paladin Labs requested that the FDA withdraw the approval because the company has not manufactured or marketed the drug since Oct. 1, 2014. The most recent lot marketed in the U.S. is lot #1319-12A with an expiration date of August 2017.