D defs.my
Entry 1 sense Webster, 1913

Contraindicate

· Con·tra·in·di·cate · IPA /ˌkɒntɹəˈɪndɪkeɪt/
01 v. t. To indicate, as by a symptom, some method of treatment contrary to that which the general tenor of the case would seem to require; especial…
imp. & p. p. Contraindicated; p. pr. & vb. n. Contraindicating
  1. 1.
    To indicate, as by a symptom, some method of treatment contrary to that which the general tenor of the case would seem to require; especially, to indicate that a particular method of treatment should not be used; as, penicilin is contraindicated in patients who have shown hypersensitivity.(Med.)
    Contraindicating symptoms must be observed.” — Harvey.