It is not uncommon for individuals who struggle with a psychological issue to also have a co-occurring alcohol and drug abuse disorder. Frankly, it is more widespread than one would think and quite a few individuals presently in drug rehab facilities in Mendota, CA. may have mental health issues which are often undiagnosed. Treatment specialists at effective drug rehab centers in Mendota, California know how to identify individuals with co-occurring mental and drug and alcohol abuse disorders so that both issues can be handled simultaneously while the person is in rehabilitation. Simply because both must be resolved, the individual must remain in rehabilitation until they are psychologically stable, not just sober.