If you have both a mental health issue and a substance use disorder, that’s called a dual diagnosis. Having these two conditions side by side is actually common. In fact, 80% of those who suffer from addictions are also living with some kind of mental disorder. Suppose that you have both these conditions, but you and your loved ones only notice substance abuse. You then decide to enter rehab, which deals with the addiction. After the rehab program is complete, they send you back home. But since you still have an underlying mental health problem, it will show up pretty soon. Your family would begin to notice and wonder what’s…