- Drug Information Portal – U.S. National Library of Medicinewww.druginfo.nlm.nih.gov
- U.S. Food and Drug Administrationwww.fda.gov
- ConsumerMedSafety.orgwww.consumermedsafety.org
- Consumer Healthcare Products Associationwww.chpa-info.org
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- Medication Safety Basicswww.cdc.gov