youths almost use alcohol or drugs the first time under peer pressure and they want to be accepted and be a part of the group.Using the alcohol they behavior have changed. Alcohol also caused the problems with friendship, family/parents, school, community, law, etc.

the sample of 20 youth patients (15 male and 5 female) under the age of 16 – 25 were conducted between January – June 2006. on the Department of alcoholism in the Institute on addictions,Belgrade. Data were collected from patient's history of illness,clinical protocols and psychiatric interviews including the criteria of alcohol abuse and adolescence crisis according to ICD – X.

to show that alcohol abuse in adolescence period is not just a developmental course, but more serious problem with consequences on behavior and social relationships.

1. 1) to take the other drugs (canabinoides, Ecstasy, sedatives): 11 patients (55%);

2. 2) marked fall in academic: 9 patients(45%);

3. 3) family problem: 20 patients (100%);

4. 4) auto destructive behavior: 7 patients (35%);

5. 5) behavior changes (aggressive,hostile,etc.) : 13 patients (65%);

6. 6) problem with law: 8 patients (40%);

7. 7) risky behavior (unprotected sex): 17 patients(85%).

this study shows that developmental transitions, such as puberty and increasing independence, have been associated with alcohol abuse. Just being an adolescent may be a key risk factor for drinking dangerously and consequential alcohol-related problems.