SC promotes prescription medication Take Back Day At the last Take Back Day held in October, DHEC says the DEA collected a record-high amount of expired, unwanted, and unused prescription medications, with the public turning in close to 500 tons of unwanted drugs across the nation. (Source: WVIR) By Riley Bean | April 21, 2021 at 4:43 AM EDT - Updated April 21 at 4:43 AM COLUMBIA, S.C. (WCSC) - The Department of Health and Environmental Control is encouraging people to drop off unused, expired or unwanted drugs. The Prescription Drug Take Back Day is a nationwide event hosted biannually by the U.S. Drug Enforcement Administration. Ideally, it provides a responsible way for the public to dispose of prescription drugs that might otherwise be stolen, abused or fall into the wrong hands.