ATC Group: A08AA62 Bupropion and naltrexone

The World Health Organization's ATC classification organizes medical drugs based on therapeutic properties, chemical composition, and anatomy. It helps make essential medicines readily available globally and is widely used in the pharmaceutical industry.

Position of A08AA62 in the ATC hierarchy

Level Code Title
1 A Alimentary tract and metabolism
2 A08 Antiobesity preparations, excl. diet products
3 A08A Antiobesity preparations, excl. diet products
4 A08AA Centrally acting antiobesity products
5 A08AA62

Active ingredients in A08AA62

Active Ingredient

The exact neurochemical appetite suppressant effects of naltrexone/bupropion are not fully understood. Naltrexone is a mu-opioid antagonist and bupropion, a weak inhibitor of neuronal dopamine and norepinephrine reuptake. These components affect two principal areas of the brain, specifically the arcuate nucleus of the hypothalamus and the mesolimbic dopaminergic reward system.

Related product monographs

Document Type Information Source  
 CONTRAVE Extended-release tablet MPI, US: SPL/PLR FDA, National Drug Code (US)
 MYSIMBA Prolonged-release tablet MPI, EU: SmPC European Medicines Agency (EU)

United States medicines

Medicines classified under this ATC code globally

Austria (AT)

Canada (CA)

Croatia (HR)

Cyprus (CY)

Ecuador (EC)

Estonia (EE)

Finland (FI)

Hong Kong (HK)

Ireland (IE)

Italy (IT)

Lithuania (LT)

Netherlands (NL)

New Zealand (NZ)

Poland (PL)

Romania (RO)

Spain (ES)

United Kingdom (UK)

Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide.