Naltrexone has a place with a class of medications known as narcotic bad guys and works by obstructing the mu narcotic receptor. It impedes the impacts of liquor and narcotic meds, forestalling the inebriation these substances cause. Naltrexone likewise changes how the nerve center, pituitary organ and adrenal organ (hypothalamic-pituitary-adrenal pivot, HPA hub) collaborate to smother how much liquor consumed.