Poisoning is the deterioration of the body's functions by the ingestion of any substance being toxic to the body or by overdosing a nontoxic substance. Poisoning cases may vary according to the geographical and seasonal characteristics of the region, sociocultural structure of the population, life index and the age groups.

Worldwide, intentional self-poisoning (ISP) is the most common form of suicide attempt and the most common method that results in medical hospitalization.

Questionnaire is prepared including the following items:

Demographic data:

Gender -age-marital status -occupation- socioeconomic state -special habit -history of psychiatric innless-history of chronic diseases-history of drug dependence -previous suicidal attempts-toxic substance used in suicide- time of poisoning, season and time of arrival .

Data regarding poisoned substance:

Dose, type of the substance used and rout of administration. Presenting symptoms of intoxication and management

Complete clinical examination:

General condition: conscious level and vital signs. Local examination: chest, heart, abdomen, etc.

Investigation:

(Arterial blood gases - ECG -otherwise according to case presentation)

Prognosis:

Complete recovery, complications, death.

Inclusion Criteria:

• suicidal poisoning cases

Exclusion Criteria:

• other causes of suicide

All patients presented to Emergency units of assiut university hospitals with suicidal poisoning attemps