SAFETY UPDATE: Antiretroviral drug interactions with non-prescription medications

June 2017 – Drug interactions between antiretroviral drugs and other medications can result in loss of therapeutic efficacy or drug toxicity. Selected proton pump inhibitors and inhaled corticosteroids recently became available as non-prescription products in BC. These, and other non-prescription medications, can have clinically important interactions with certain antiretroviral drugs. This bulletin summarizes clinically important antiretroviral drug interactions with non-prescription drugs.

For more information: Click here to download the BC-CfE Safety Alert (PDF)

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The British Columbia Centre for Excellence in HIV/AIDS Laboratory has discontinued gp-41 resistance testing as T-20 (enfuvirtide/Fuzeon) is no longer available in Canada as of March 31, 2025