Hospital inpatient drug rehabilitation for drug or alcohol addiction is very often necessary for individuals who have specific health-related complications associated with their drug abuse, as is the case with certain types of withdrawal or for clients whose health has been affected by their substance abuse. Hospital inpatient drug treatment in Mc Donald for drug and alcohol problems is occasionally also necessary for individuals who who are diagnosed with co-occurring mental health illness that will require thorough rehab services which might not be available in a different rehabilitation. Treatment clients who want to go through a drug assisted drug detox, which is frequently the situation with individuals addicted to opiates such as heroin and prescription pain relievers, can also opt to receive such rehabilitation in a Mc Donald hospital inpatient drug and alcohol detox program.