Immunodeficiency Clinic


Terms & Conditions  |  Privacy Policy  |  Copyright 2010
Immunodeficiency Clinic, 585 University Avenue, Toronto, ON


The information in this website is intended for use by and with experienced physicians and pharmacists. The information is not intended to replace sound professional judgment in individual situations, and should be used in conjunction with other reliable sources of information. Due to the rapidly changing nature of information about HIV treatment and therapies, users are advised to recheck the information contained herein with the original source before applying it to patient care.  Decisions about particular medical treatments should always be made in consultation with a qualified medical practitioner knowledgeable about HIV-related illness and the treatments in question.

Neither Toronto General Hospital, the Northern Alberta Program, nor the authors and contributors are responsible for deletions or inaccuracies in information or for claims of injury resulting from any such deletions or inaccuracies.  Mention of specific drugs, drug doses or drug combinations within this website does not constitute endorsement by the authors, Toronto General Hospital, or the Northern Alberta Program.

Drug Information for Healthcare Professionals

Home      Clinic      Patients     Drug Information     Research      Residency      Pharmacy Org


We are very proud to announce that has recently received awards from two prestigious Canadian pharmacy organizations for excellence in pharmacy practice.  We are honoured and humbled to be recognized by our colleagues and peers.  Thank you to everyone for your continued support and use of the website!

2010 Commitment to

Care Disease Management

Initiative Award

E. Amy Eck Award

The website was presented as a poster at the 2011 Canadian Association for HIV Research (CAHR) conference, held April 14-17, 2011 in Toronto, Canada.

Handbook and website on HIV drug therapy.

Tseng A, Foisy M.

Am J Health Syst Pharm. 2012 Aug 1;69(15):1284-6.

The website has also been featured in peer-reviewed publications on HIV drug interaction websites:

Abrass CK et al.  The HIV and Aging Consensus Project:  Recommended Treatment Strategies for Clinicians Managing Older Patients with HIV.  The American Academy of HIV Medicine, AIDS Community Research Initiative of America, and the American Geriatrics Society.  November 2011, pp. 1-76. 

Krakower D, Kwan CK, Yassa DS, Colvin RA.  iAIDS: HIV-Related Internet Resources for the Practicing Clinician.  Clinical Infectious Diseases 2010; 51(7):813–822.

Sheehan NL, Kelly DV, Tseng AL, van Heeswijk RPG, Béïque LC, Hughes CA., on behalf of the Canadian HIV/AIDS Pharmacists Network.  Evaluation of HIV drug interaction websites:  a cross-sectional review.  Annals of Pharmacotherapy 2003;37:1577-86. (website listed as

Editorial Information

The Toronto General Hospital website has been in operation since 2000, initially as, and since 2009 as  The main objectives of the drug information portion of the website are to provide a comprehensive and centralized repository of current data on HIV drug therapy for health care professionals with a main focus on drug interactions, and to promote safe and rational prescribing of antiretrovirals.  The website content is updated regularly, and includes information from key international HIV conferences and recent publications in the medical/pharmacy literature.  The chief editors of the website content are Alice Tseng, Pharm.D., and Michelle Foisy, Pharm.D.

2013 Handbook of HIV Drug Therapy

2013 Handbook of HIV Drug Therapy - Volume 1 - Download the PDF

2013 Handbook of HIV Drug Therapy - Volume 2 - Download the PDF

2014 HIV Oncology Handbook:
English Download the PDF
French Download the PDF