The US Drug Enforcement Administration (DEA) is providing the public with the opportunity to dispose of expired, unused, and unwanted prescription drugs at collection points across the country on October 28th from 10 AM to 2 PM. During this free-of-charge and anonymous event, the agency will only accept pills and patches; liquid prescription drugs as well as sharps, including needles, will not be accepted.
The following information provides instruction on the safe disposal of medicines.

Reference
US Department of Justice and US Drug Enforcement Administration. 14th national prescription drug take back day [press release]. Available at: https://www.deadiversion.usdoj.gov/drug_disposal/takeback/. Accessed October 26, 2017.