Excipient-related adverse drug reactions : a clinical approach : review article

Formulations of the same active pharmaceutical ingredients (API) may contain a variety of inactive pharmaceutical ingredients (IPI) or excipients. Package inserts are important sources of information to clinicians and should provide details of both the API and the excipients in the pharmaceutical preparation...

http://reference.sabinet.co.za/sa_epublication_article/caci_v28_n1_a7