This article represents the proceedings of a symposium at the 2000 RSA Meeting in Denver, Colorado. The organizer and chair was Barbara A. Flannery, and the co-chairs were Barbara A. Flannery and Helen Pettinati. The presentations were (1) Animal models of alcohol craving and relapse, by Amanda Roberts; (2) Real-time field assessment of alcohol craving, by Ned Cooney; (3) Medications and alcohol craving, by Robert Swift; (4) The assessment of craving: Insights from the clinic and clinical laboratory studies, by Raymond Anton; (5) A comparison of three alcohol craving questionnaires, by Barbara Flannery; (6) and Assessing posttreatment urge to drink, by Damaris Rohsenow.