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Direct Acting Antivirals: shortage status in Canada

15 of the 34 direct acting antivirals rxstat tracks are currently in shortage in Canada. When one drug in a class is short, demand often shifts to its alternatives, so related drugs can tighten too; each page below shows which manufacturers are affected and the latest recovery estimates.
Adefovir Dipivoxil (Hepsera) Partial shortage 1 of 2 reported products affected Atazanavir (Reyataz) Partial shortage 3 of 8 reported products affected Darunavir (Prezista) Partial shortage 2 of 9 reported products affected · est. return Jul 31, 2026 Efavirenz (Sustiva) Partial shortage 1 of 6 reported products affected Efavirenz Tenofovir Disoproxil Emtricitabine (Atripla) Partial shortage 3 of 7 reported products affected · est. return Dec 31, 2026 Entecavir (Baraclude) Partial shortage 2 of 5 reported products affected · est. return Aug 7, 2026 Famciclovir (Famvir) Partial shortage 3 of 17 reported products affected Lamivudine (Heptovir) Partial shortage 1 of 6 reported products affected Lamivudine Abacavir (Kivexa) Partial shortage 1 of 7 reported products affected Nevirapine (Viramune) Partial shortage 1 of 6 reported products affected Oseltamivir (Tamiflu) Partial shortage 1 of 6 reported products affected Tenofovir Disoproxil Partial shortage 2 of 6 reported products affected Tenofovir Disoproxil Emtricitabine Partial shortage 2 of 5 reported products affected Valacyclovir (Valtrex) Partial shortage 4 of 21 reported products affected · est. return Nov 24, 2026 Valganciclovir (Valcyte) Partial shortage 2 of 6 reported products affected · est. return Feb 28, 2027 Abacavir (Ziagen) Shortage anticipated 0 of 3 reported products affected Zidovudine Lamivudine (Combivir) Shortage anticipated 0 of 5 reported products affected Asunaprevir (Sunvepra) Discontinued 0 of 1 reported products affected Atazanavir Cobicistat (Evotaz) Discontinued 0 of 1 reported products affected Delavirdine (Rescriptor) Discontinued 0 of 1 reported products affected Didanosine (Videx) Discontinued 0 of 4 reported products affected Emtricitabine (Emtriva) Discontinued 0 of 1 reported products affected Enfuvirtide (Fuzeon) Discontinued 0 of 1 reported products affected Fosamprenavir (Telzir) Discontinued 0 of 2 reported products affected Inosine Pranobex (Imunovir) No current shortage Letermovir (Prevymis) No current shortage Nelfinavir (Viracept -250mg) Discontinued 0 of 2 reported products affected Ombitasvir Paritaprevir Ritonavir (Technivie) Discontinued 0 of 1 reported products affected Ritonavir Ombitasvir Dasabuvir Paritaprevir (Holkira Pak) Discontinued 0 of 1 reported products affected Saquinavir (Invirase -) Discontinued 0 of 2 reported products affected Stavudine (Zerit -) Discontinued 0 of 4 reported products affected Telbivudine (Sebivo) Discontinued 0 of 1 reported products affected Tipranavir (Aptivus) Discontinued 0 of 1 reported products affected Zidovudine Abacavir Lamivudine (Trizivir) Discontinued 0 of 2 reported products affected

Guides: what to do when your medication is in shortage · how to read these statuses

Class groupings follow the WHO ATC classification in Health Canada's reports. Data reflects manufacturer mandatory filings; see methodology.