- U.S. Food and Drug Administrationwww.fda.gov
- PDR.net – The Most Trusted Source for FDA-approved Drug Labeling for Physicians and Prescribers www.pdr.net
- RxList – The Internet Drug Index for prescription drugs, medications and pill identifier www.rxlist.com
- ConsumerMedSafety.org www.consumermedsafety.org
- Institute for Safe Medication Practices www.ismp.org
- MedicineNet – Health and Medical Information Produced by Doctors www.medicinenet.com
