Patient-Friendly Explanation

Naltrexone is a medication that blocks certain signals in the brain involved in reward and craving. In low doses it is combined with bupropion to help control appetite and food cravings as part of a medically supervised weight-loss plan. It is taken daily and works best alongside diet and exercise changes.

Clinical Definition

Naltrexone is an opioid receptor antagonist that, in fixed-dose combination with bupropion (naltrexone 8 mg / bupropion 90 mg extended release), reduces food intake and cravings via modulation of central melanocortin pathways. At 50 mg it is used for alcohol and opioid dependence. Contraindications include current opioid use, acute opioid withdrawal, and hepatic failure; common side effects are nausea, headache, and constipation.

Why It Matters

Patients often come across naltrexone online and wonder whether it suits them. NuLifeCare doctors assess whether combination pharmacotherapy is appropriate and monitor it safely.