To define the nature and severity of substance abuse in patients attending detox cure and the importance of pain during the weaning.

This is a cross-sectional study done in March 2010 over 30 patients hospitalized in the “center of help and listening to Tina-Sfax”.

Through a questionnaire, we collected the biographical data, the drugs used and ways of administration, the association of toxic and the characteristics of pain: type, location, extension.

We spent the TDEA: test of alcohol dependency, the DAST: screening for drug abuse and the scale of overall pain intensity.

The mean age of patients was 24.5 years, 86.7% of our sample were men. 47% of our patients consulted by their own and 47% at the request of one third. 76.7% of patients consuming the Subutex. Poly drug was present in 50%. The intravenous way was present in 76.7% cases.

46.7% of our patients had twice-daily dosing, 33.6% consumed a daily basis and 100% were addicted.

The pain was constant among 63.3% of patients, it was in kind of burning and tearing in 60% of patients. She was paroxysmal and in type of electrical discharge in 63.3% of cases.

The cure of detox can cause various types of pain, which can lead to relapse or failure of the process of weaning.