Cancerhypersensitivity Share Tweet An exaggerated response by the immune system to a drug or other substance.( HY-per-SEN-sih-tih-vih-tee )Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: hyperplasia Next: Hypersomnia NewsletterSign up for the QuackTrack.org newsletter below! Click to commentLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ QuackTrack on TwitterTweets by QuackTrack_org Trending Posts