It is quite common for individuals who struggle with a psychological issue to also be plagued by a co-occurring substance abuse issue. In truth, it is more common than one would imagine and quite a few people presently in alcohol and drug treatment facilities in South Wales may have mental health disorders which have just simply been undiagnosed. Treatment experts at effective drug treatment facilities in South Wales know how to identify persons with co-occurring mental health and alcohol and drug abuse disorders in hopes that both issues can be handled simultaneously while the individual is in rehab. Simply because both need to be addressed, the client must remain in rehab until they are psychologically stable, not just off of drubs.