A source of rigorous legal data for researchers and detailed policy information for the public.

PDAPS is funded by the National Institute on Drug Abuse to track key state laws related to prescription drug abuse.  Click on any topic area to reach an interactive page where you can investigate the history and features of the law, or download data and other documentation for research.


Latest topics

Expanded Access to Naloxone

Expanded Access to Naloxone

State laws authorizing third-party prescribing and lay administration of the standard antidote to opioid overdose.

Naloxone Overdose Prevention Laws

Good Samaritan 911 Immunity

Good Samaritan 911 Immunity

State laws providing protection from criminal sanctions to overdose victims or witnesses who seek emergency services.

Good Samaritan Overdose Prevention Laws

Medical Marijuana

Medical Marijuana

State laws and regulations governing the production, transport, sale, quality and consumption of marijuana for therapeutic purposes.

Medical Marijuana Caregiver Rules

Medical Marijuana Dispensaries

Medical Marijuana Laws for Patients

Medical Marijuana Product Safety

Opioid Related Controls

Opioid Related Controls

State laws and regulations on various legal mechanisms used to control access to opioids.

Opioid Prescribing Guidelines for Acute and Emergency Care

Pain Management Clinic Laws

Prescription Drug Monitoring Program

Prescription Drug Monitoring Program

State laws and regulations governing the operation and use of programs tracking prescription and dispensing of controlled substances.

PDMP Access and Registration

PDMP Administration

PDMP Implementation Dates

PDMP Reporting and Authorized Use