Hospital inpatient drug and alcohol treatment for alcohol or drug addiction is occasionally necessary for people who have certain health-related issues having to do with their addiction, as is the case with specific types of withdrawal or for persons whose health has been affected by their substance abuse. Hospital inpatient drug and alcohol rehab in San Quentin for alcohol or drug problems is often also required for those who who are diagnosed with co-occurring psychological illness that will require intensive rehabilitation services which may not be offered in another rehabilitation. Individuals who wish to receive a medication assisted drug detoxification, which is sometimes the circumstance with individuals addicted to opiates such as heroin and prescription pain killers, can also decide to acquire this kind of treatment in a San Quentin hospital inpatient drug detoxification facility.