ER emergency room

FDA Food and Drug Administration

GAO General Accounting Office

GI gastrointestinal

IOM Institute of Medicine

NCL National Consumers League

NCPA National Community Pharmacists Association

NCPIE National Council on Patient Information and Education

NEISS National Electronic Injury Surveillance System

NIDA National Institute on Drug Abuse

NLM National Library of Medicine

OTC over-the-counter

PIL patient information leaflet

PM post meridiem or after noon

PPI patient package insert

PRN medication label direction to use as needed

PROTECT Preventing Overdoses & Treatment Errors in Children Taskforce

QID medication label direction to use four times a day

REMS Risk evaluation and mitigation strategies

SAMHSA Substance Abuse and Mental Health Services Administration

SIG prescription medication label prescribing directions

USP U.S. Pharmacopeia

USP-NF U.S. Pharmacopeia-National Formulary