Intentional non-adherence to medications among HIV positive alcohol drinkers: prospective study of interactive toxicity beliefs.

Background: Antiretroviral therapy (ART) adherence is key to successful treatment of HIV infection and alcohol is a known barrier to adherence. Beyond intoxication, ART adherence is impacted by beliefs that mixing alcohol and medications is toxic.

Purpose: To examine prospective relationships of factors contributing to intentional medication non-adherence when drinking.