Abstract: Described herein are i) sequestering agents and ii) central nervous system (CNS) active agents for the treatment of intoxication due to toxic agents such as drugs of abuse, and associated symptoms. Also disclosed herein, are a cucurbituril and naloxone for use in the treatment of opioid overdoses through sequestering and excretion of the bound molecule of interest through the urine. Also provided herein, are kits and methods of treatment of the disclosure.