Medications That May be Contributing to Your Patient's Weight Gain

Nearly 42% of adults in the United States are considered obese. Although there are a number of contributing factors to obesity, one sometimes overlooked contributor to weight gain is medications. Within many classes of medications that may affect weight, the degree of weight gain varies. Although factors such as efficacy, cost, interactions, and adverse effects play a role in selecting a medication, the effects on weight also should be considered in those who are overweight or obese. This article reviews some of the classes of medications used in the outpatient setting that may affect weight to provide a guide to clinicians.