Pharmacodynamics related to anxiolytic medications used to treat GAD. Pharmacodynamics related to anxiolytic medications used to treat GAD. Generalized Anxiety Disorder is a psychological condition that affects 6.1 million Americans, or 3.1% of the US Population. Despite several treatment options, only 43.2% of those suffering from GAD receive treatment. This week you will review several … Continue reading Pharmacodynamics related to anxiolytic medications used to treat GAD.