Contraindicate

[Sarah]

To indicate, as by a symptom, some method of treatment contraryto that which the general tenor of the case would seem to require.Contraindicating symptoms must be observed. Harvey.

[Sarah]

con·tra·in·di·cate -cat·ed, -cat·ing.
–verb (used with object), Medicine/Medical.
to give indication against the advisability of (a particular or usual remedy or treatment).

[Origin: 1660–70; prob. back formation from contraindication.

[Dave Paprocki]

(of a condition or circumstance) suggest or indicate that (a particular technique or drug) should not be used in the case in question.