Other preventive measures include Clearly labeling household products and prescription drugs Storing drugs and toxic substances in cabinets that are locked and inaccessible to children Promptly disposing of expired drugs by mixing them in cat litter or some other nontempting substance and putting them in a trash container that is inaccessible to children Using carbon monoxide detectors Refraining from prescribing opioids and using nonopioid treatments whenever possible Public education measures to encourage storage of substances in their original containers (eg, not placing insecticides in drink bottles) are important.