- US Food and Drug Administrationhttps://www.fda.gov/
- MedicineNet – Health and Medical Information Produced by Doctorshttps://www.medicinenet.com/
- RxList – The Internet Drug Index for prescription drugs, medications and pill identifierhttps://www.rxlist.com/
- Drugs.com – Prescription Drug Information, Interactions & Side Effectshttps://www.drugs.com/
- American Pharmacists Associationhttp://www.pharmacist.com/