Pilot RCT of Pos4Health for Nonadherent HIV+ Substance Users

Inclusion Criteria: HIV positive and on ART * Reports ART nonadherence in the past 30 days (Subject reports missed taking HIV medication at least 5/90 days on the 90 day TLFB at enrollment) * Screens positive for substance use in the past 30 days (Subject reports using illicit drug at least once on the 90 day TLFB at enrollment) OR Screens positive for alcohol abuse in past 30 days (Subject reports binging or exceeding weekly drinking limit (for women 8 drinks/week; for men 15 drinks/week) at least twice on the 90 day TLFB at enrollment) * At least 18 years old * Speaks and reads English * Can provide meaningful informed consent * Willing to be followed for 4-5 months * Has regular access to a phone, email, and computer connected to the Internet Exclusion Criteria: * • Never missed an ART dose in past 90 days * Reports no use of illicit drugs or risky drinking in past 90 days * Cognitive disorders including mental retardation and dementia that could impair ability to understand the intervention material or give informed consent, or psychotic disorder due to the same issues * A prisoner, hospitalized, or institutionalized * Illiterate * Does not have email or ability to access the internet