General Anxiety Disorder
The essential feature is anxiety lasting more than 6 months, which is generalized and persistent but not restricted to, or even strongly predominating in, any particular environmental circumstances.
Symptoms: continuous feelings of nervousness, trembling, muscular tension, sweating, lightheadedness, palpitations, dizziness, and epigastric discomfort.
Fears that the patient or a relative will shortly become ill or have an accident are often expressed, together with a variety of other worries and forebodings.
The estimation of lifetime prevalence moves between 4-6 %.
This disorder is more common in women, and often related to chronic environmental stress.
Its course uses to be fluctuating and chronic connected with symptoms of frustration, sadness and complicated with abuse of alcohol and other illicit drugs.