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Concomitant Medication (CM) is an Interventions domain is used to represent information relating to concomitant and prior medications used by the subject, such as those given on an as-needed basis or condition-appropriate medications. The same basic data collection variables should be collected for all medications, treatments, and therapies (prior, general concomitant medications, and medications of interest). Recreational substances are not represented in this domain (see Section 3.3.2.7, Prior Usage Usage of Recreational Products (Including Tobacco Products) (SU, FASU, CM, FACM)), but rather medical products recognized to reduce nicotine dependence (e.g., nicotine replacement patches).
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