- U.S. Food and Drug Administrationwww.fda.gov
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com/script/main/hp.asp
- ConsumerMedSafety.orgconsumermedsafety.org/
- RxList – The Internet Drug Index for Prescription drugs, medications, and pill identifierwww.rxlist.com/script/main/hp.asp
- Institute for Safe Medication Practiceswww.ismp.org/
