It is not uncommon for individuals who have problems with a psychological disorder to also be plagued by a co-occurring drug and alcohol abuse disorder. Frankly, it is more prevalent than one would imagine and a lot of people currently in drug rehab programs in Decorah may have mental health disorders which are often undiagnosed. Rehabilitation professionals at effective drug rehab centers in Decorah know how to identify persons with co-occurring mental and drug and alcohol abuse disorders so that these two issues can be simultaneously addressed while the individual is in treatment. Due to the fact both must be resolved, the person must remain in treatment until they are psychologically stable, not just sober.