MedlinePlus: Cephalexin
- Provides information on usage, precautions, side effects and brand names when available. Data provided by various government agencies and health-related organizations.
- http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a682733.html

Keflex (Cephalexin) - RxList Monographs
- Description with links to full prescribing information for this 'first generation' cephalosporin antibiotic intended for oral administration.
- http://www.rxlist.com/cgi/generic/cephalex.htm