- US Department of Health and Human Serviceswww.hhs.gov
- South Carolina Department of Health and Environmental Control (DHEC)www.scdhec.gov
- Centers for Disease Control and Preventionwww.cdc.gov
- U.S. Food and Drug Administrationwww.fda.gov
- Consumer Healthcare Products Associationwww.chpa.org
- Drugs.com | Prescription Drug Information, Interactions & Side Effectswww.drugs.com
- RxMed: Diseases and Preparations’ Descriptionwww.rxmed.com