Guest Post: Antiretroviral Drug Interactions with Non-Prescription Medications

This article was originally published as a Pharmacovigilance Initiative Safety Alert by the British Columbia Centre for Excellence in HIV/Aids on June 6, 2017.

Patient safety concern

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, as summarized in the table below.

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Canada Post has provided notification of restarting their operations on December 17, 2024. As Canada Post ramps up and stabilizes their services, the BC-CfE will continue the following measures on an interim basis to minimize service disruption to BC-CfE clients and providers.

  • The BC-CfE Laboratory will utilize private courier for delivery of outgoing reports and documents. (Lab Contact Information: Phone 604-806-8775; FAX 604-806-9463)
  • The BC-CfE Drug Treatment Program (DTP) will fax outgoing forms and documents to the provider’s office. (DTP Contact Information: Phone 604-806-8515; FAX 604-806-9044)
  • St. Paul’s Hospital Ambulatory Pharmacy will utilize private courier for delivery of medications. (Contact Information: Phone 1-800-547-3622; FAX 604-806-8675)