Avoid cocaine use. If you have previously used cocaine and wish to stop, try to avoid people, places, and things you associate with the drug. If you find yourself considering the euphoria produced by cocaine, force yourself to think of the negative consequences that follow its use. Group participation is helpful for many people.
Doyon S. Opiods. In: Tintinalli JE, Kelen GD, Stapczynski JS, Ma OJ, Cline DM, eds. Emergency Medicine: A Comprehensive Study Guide. 6th ed. New York, NY: McGraw-Hill; 2004:chap 167.