medication in coffee grounds
1. Take your prescription drugs out of their original containers. 3. Put the mixture into a disposable container with a lid, such as an empty margarine. tub, or into a sealable bag. 2. Mix drugs with an undesirable substance, such as cat litter or used coffee grounds. 4. Conceal or remove any personal information, including Rx number, on the empty. containers by covering it with permanent marker or duct tape, or by scratching it off. Drug Take-Back Event.