- U.S. Food and Drug Administrationwww.fda.gov
- American Society of Health-System Pharmacistswww.safemedication.com
- ConsumerMedSafety.orgconsumermedsafety.org
- Institute for Safe Medication Practiceswww.ismp.org
- Consumer Healthcare Products Associationwww.chpa.org
- RxList – The Internet Drug Index for Prescription Drugs, Medications, and Pill Identifierwww.rxlist.com
- PDR.net – The Most Trusted Source for FDA-approved Drug Labeling for Physicians and Prescriberswww.pdr.net
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com