- Prescribers www.pdr.net
- U.S. Food and Drug Administrationwww.fda.gov
- Institute for Safe Medication Practiceswww.ismp.org
- RxList – The Internet Drug Index for prescription drugs, medications, and pill identifier www.rxlist.com
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- The Recovery Village – Prescription Drug Abuse and Addictionwww.therecoveryvillage.com