It is not uncommon for individuals who struggle with a psychological disorder to also struggle with a co-occurring alcohol and drug abuse disorder. In fact, it is more prevalent than one would imagine and a lot of individuals presently in drug rehab facilities in Washington, California may have psychological issues which have just simply been undiagnosed. Treatment experts at successful drug rehab programs in Washington know how to identify individuals with co-occurring mental and substance abuse issues so that these two issues can be simultaneously addressed while the individual is in treatment. Due to the fact both need to be addressed, the person must remain in rehabilitation until they are mentally stable, not just abstinent.