Naltrexone: for alcohol cravings today, and weight management too

Naltrexone is one of the best kept secrets in addiction care. It does not make you sick if you drink. It quiets the reward buzz alcohol gives, so one drink is less likely to turn into ten. In a landmark trial, naltrexone plus coping skills therapy reduced drinking in alcohol dependent patients, and a large later study confirmed naltrexone helps, especially with counseling.

How it is used for alcohol: usually a daily pill, started after someone has stopped drinking or is cutting down, alongside counseling. It works best for people whose drinking is driven by reward and craving. Side effects can include nausea and headache, and it cannot be used with opioids in the system because it blocks opioid receptors, which can throw someone into withdrawal.

The weight loss connection: naltrexone is also half of a weight management medication, paired with bupropion. Together they act on hunger and reward circuits. A large trial showed the combination produced meaningful weight loss in overweight and obese adults. Same ingredient, different job, because appetite and addiction share brain pathways.

What this means for you: if alcohol cravings keep undoing your progress, or if weight and alcohol are tangled together, ask about naltrexone. It is generic, well studied and often overlooked. The right medication, matched to the right person, can change the whole trajectory.

Anthony

Sources: O'Malley SS et al., Archives of General Psychiatry (1992), naltrexone and coping skills therapy for alcohol dependence. Anton RF et al., JAMA (2006), COMBINE study of naltrexone for alcohol dependence. Greenway FL et al., The Lancet (2010), naltrexone plus bupropion for weight loss in overweight and obese adults.