It is a case of general tension due to the sensation of threat either the danger is real or imaginary and always accompanied by mysterious fear with psychological as well as physical symptoms.

Anxiety is considered the most prominent psychological disease as it is ranging between 30-40% of psychological disorders and it prevails in females, children, and teenagers, retired and in senility.

Classification of anxiety:

1- Normal objective anxiety:

This really arises from external sources and it is sometimes called real anxiety.

It occurs in expectancy situations or in case of fear of loosing something as success in a work or in exams, or put before marriage or at the presence of danger.

This kind always encounters man and is considered a normal type.

2- Psychological anxiety:

Its source is internal with unknown, unconscious and unwarranted causes discouraging both the adaptation with society and the ability of development and production.

3- General anxiety:

Do not correlate with any definite subject as it is general and mysterious.

4- Secondary anxiety:

Not a case itself but it is a symptom of some psychological disorders as depression.

Third, Causes of anxiety:

1- Hereditary factor

1- Psychological factors:

As the feeling of internal or external threat which is imposed by some surrounding conditions according to person' position, his purposes and severe psychological anxiety, troubles, sudden loss, psychological shocks as well as extreme fears at early childhood and  feeling of deficiency and  inability.

3- Other factors:

Pressures whether due to civilization, culture, or due to modern environment, changed demands and goals of the city, disturbances in family environment,  social disjunction,  in addition to childhood problems, teenagers and senility as well as wrong methods of nurturing children as austerity, dominance, excessive protection, privation and  disorders in personal relations with others.

Fourth, symptoms of anxiety:

1- Physical symptoms:

General weakness

Appetite loss

Muscles tension

Nausea and dizziness

Lack of vital energy and diligence

Sweltering, finger tremors and pallor

Sleeping disorders, insomnia and annoying dreams

Palpitation and increased heart beats, chest pain, and hypertension.

Psychological symptoms:

Includes general anxiety, nervousness and instability

Inconvenience feeling and sometimes dismay.

Suspicion and confusion and determination hesitation

Incidental depression

Pessimism

Thinking in past faults and future disasters and imagination of diseases

Fear of death and felling of end nearness.

Concentration weakness and distraction

Inability to work and produce

Social incompatibility

Fifth, Treatment:

1- Psychological treatment (behavioral treatment):

With the aim of developing personality and ensuring correspondence and increasing prescience

2- Social and treatment advice and solving patient problems and teach him how to face problems and ways to do this.

3- Environmental treatment:

By modification of factors that have an obvious effect like changing work, attenuation of patient overcharges and pressures over him.

Social treatment,

Sports treatment,

Trips and friendships

4- Medical treatment:

For treatment of accompanied physical symptoms using anti-depressants

Sixth, Fate of the disease:

If patient personality before affection was balanced and life conditions were less hard in addition to co-operation with the physician so the fate of the disease will be good and patient will be close to improvement.