Opiates can make a person feel nauseous, even someone who has been given opiates by a doctor which is one of the reasons many people don't like taking them.
Physical drug withdrawal can cause confusion, disorientation, excessive sleepiness and seizures.
Nearly 14 million persons are affected by alcoholism in the U.S. alone, not including family, friends and others additionally affected by the actions of alcoholics.
Typical symptoms of withdrawal from antipsychotic medication can include but are not limited to digestive problems, nausea and vomiting, dizziness, shakiness, hallucinations, delusions, or other psychotic symptoms.