Intended for chronic weight management to support appetite control and manage reward-based eating behaviors.
Mechanism of Action
This combination targets the reward system and hunger centers in the brain. Bupropion increases dopamine and norepinephrine levels, while naltrexone blocks opioid receptors that normally dampen hunger-suppressing signals, together reducing cravings.
Route of Administration
Oral
Onset Time
4–8 weeks
Duration
24 hours
Contraindications
Uncontrolled hypertension, Seizure disorder, Bulimia or anorexia nervosa, Opioid dependence, Concurrent use of MAO inhibitors
Severe Adverse Events
Seizures, Suicidal ideation, Hepatotoxicity — requires immediate medical attention
Common Side Effects
Nausea, Constipation, Headache
Uncommon Side Effects
Dizziness, Insomnia, Dry mouth
Drug Interactions
Alcohol, Opioid Analgesics, MAO Inhibitors, Ritonavir, Levodopa
Pregnancy Safety Warnings
FDA Category X: Strictly contraindicated in pregnancy. Breastfeeding: Not recommended.
Age Restrictions
Safety and efficacy in pediatric patients have not been established.
Information related to Bupropion with Naltrexone is compiled and periodically reviewed with reference to established medical sources and prescribing guidance. Content is provided for general reference and should be confirmed with a registered healthcare professional before use.
