Med. [f. CONTRA- 1 + INDICANT. Cf. next.] A symptom that makes against a particular diagnosis, or is adverse to the use of a particular remedy or treatment in a disease.
1623. Hart, Arraignm. Ur., iv. 103. The contraindicant is the want of vigour and strength, hindering this worke.
1684. trans. Bonets Merc. Compit., X. 361. When other Remedies have been tried and when there is no contra-indicant.
b. transf. = COUNTER-INDICATION.
1796. Burke, Lett. Noble Ld., Wks. VIII. 18. The malady was deep; it was complicated, in the causes and in the symptoms. Throughout it was full of contra-indicants.
1879. H. N. Hudson, Hamlet, 11. His behaviour has many contra-indicants.