It is not uncommon for individuals who have problems with a psychological disorder to also be plagued by a co-occurring alcohol and drug abuse disorder. In truth, it is more common than one would think and quite a few people currently in drug rehabilitation programs in Burlington, PA. may have mental health issues which are often undiagnosed. Rehab professionals at effective alcohol and drug treatment programs in Burlington, PA. know how to identify persons with co-occurring psychological and drug and alcohol abuse issues so that these two issues can be simultaneously addressed while the person is in treatment. Due to the fact both must be resolved, the person should not leave treatment until they are psychologically stable, not just abstinent.