Generalized anxiety disorder is characterized by excessive anxiety and worry about everyday life events with no apparent reason. The patient cannot stop worrying about health, family, money, or work and eventually anxiety dominates the person thinking, that interfere with daily functioning of person. Symptoms of generalized anxiety disorder includes an unrealistic view of problems, muscle tension, headache, sweating, and tiredness. Additionally, rarely GAD occurs alone as it often accompanied by other anxiety disorder, substance abuse, and depression. Number of factors are responsible to develop GAD which includes genetics, brain chemistry, and environmental factors such as trauma and stressful event, family background, or life experiences. The disorder comes on progressively and can arise across the life cycle, though the risk is highest between childhood and middle age. GAD is diagnosed when a person worries excessively of everyday problems for more than six months and has three or more symptoms. According to Centers for Disease Control and Prevention (CDC), prevalence of anxiety disorder in Europe is over 15 % of total Europe population. In addition, CDC stated that prevalence of disorder is more in women than men. Generally, psychotherapy is preferable to GAD patient before medication which teaches a person different ways of reacting, and thinking in various life situations.