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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Am J Addict. 2013 Sep 17;23(6):519–525. doi: 10.1111/j.1521-0391.2013.12107.x

Table 3.

ARV interactions with substances of abuse

ARV Potential interaction with substances of abuse

Efavirenz Enhanced cannabis effect by CYP3A4 inhibition
Precipitated methadone withdrawal by CYP3A4 induction
Ritonavir Enhanced oxycodone effect by CYP2D6 inhibition
Enhanced MDMA effect by CYP2D6 inhibition
Enhanced GHB effect by CYP450 inhibition

Nevirapine Precipitated methadone withdrawal by CYP3A4 induction