- https://www.drugs.com/
- https://www.rxlist.com/script/main/hp.asp
- https://www.rxmed.com/
- http://www.rphworld.com/
- https://www.medicines.org.uk/emc
- https://medlineplus.gov/
- https://druginfo.nlm.nih.gov/drugportal/
- http://ema.europa.eu
- http://fda.gov
- http://who.org
- http://drugdigest.org
- http://bnf.org
- http://pdrhealth.com
- http://mayoclinic.com
- http://druginfonet.com
- http://mdconsult.com
- http://safemedication.com