It is not uncommon for individuals who struggle with a mental health issue to also have a co-occurring alcohol and drug abuse disorder. Frankly, it is more common than one would imagine and many individuals presently in alcohol and drug rehabilitation centers in Rancho Cucamonga, California may have psychological issues which have just simply been undiagnosed. Treatment specialists at successful alcohol and drug rehab facilities in Rancho Cucamonga know how to spot individuals with co-occurring mental health and drug and alcohol abuse issues so that both issues can be simultaneously addressed while the person is in rehabilitation. Due to the fact both must be resolved, the individual should not leave rehab until they are psychologically stable, not just abstinent.