verb (used with object), contraindicated, contraindicating. Medicine/Medical.
(of a symptom or condition) to give indication against the advisability of (a particular or usual remedy or treatment).

1660–70; probably back formation from contraindication. See contra1, indication

contraindicant [kon-truh-in-di-kuhnt] , noun
contraindication, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
contraindicate (ˌkɒntrəˈɪndɪˌkeɪt)
(tr; usually passive) med to advise against or indicate the possible danger of (a drug, treatment, etc)

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1660s, from contra- + indicate (see indication). Related: Contraindicated (1861); contraindication (1620s).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

contraindicate con·tra·in·di·cate (kŏn'trə-ĭn'dĭ-kāt')
v. con·tra·in·di·cat·ed, con·tra·in·di·cat·ing, con·tra·in·di·cates
To indicate the inadvisability of something, such as a medical treatment.

contraindication con·tra·in·di·ca·tion (kŏn'trə-ĭn'dĭ-kā'shən)
A factor that renders the administration of a drug or the carrying out of a medical procedure inadvisable.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Unless you have a contraindication, there's no reason not to get it.
Having a risk for bleeding is a major contraindication to its use.
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