Anxiety Disorders -- and especially Generalised Anxiety Disorder (GAD) -- are often misdiagnosed as Narcissistic Personality Disorder (NPD).br br Anxiety is uncontrollable and excessive apprehension. Anxiety disorders usually come replete with obsessive thoughts, compulsive and ritualistic acts, restlessness, fatigue, irritability, difficulty concentrating, and somatic manifestations (such as an increased heart rate, sweating, or, in Panic Attacks, chest pains).