Canada · information only
Guanfacine (extended release) shortages
Includes Intuniv XR and generics.
Last checked: October 18, 2026. We check once a day.
Next step
Talk to your pharmacist
Your pharmacist can tell you what they have in stock and whether another maker or strength is available. Talk to your prescriber before any change to your medication.
4 reports. Each one covers a single product from one company. Other makers or strengths may still be available.
APO-GUANFACINE XR 1MG
Reported shortage- Form
- tablet (extended-release)
- Company
- APOTEX INC
- DIN
- 02523728
- Started
- June 2, 2026
- Expected end
- July 24, 2026 (this estimate has passed and the company hasn't updated it yet)
- Reason given
- Disruption of the manufacture of the drug.
- Report updated
- July 10, 2026
APO-GUANFACINE XR 2MG
Reported shortage- Form
- tablet (extended-release)
- Company
- APOTEX INC
- DIN
- 02523736
- Started
- June 16, 2026
- Expected end
- July 17, 2026 (this estimate has passed and the company hasn't updated it yet)
- Reason given
- Disruption of the manufacture of the drug.
- Report updated
- July 16, 2026
APO-GUANFACINE XR 3MG
Reported shortage- Form
- tablet (extended-release)
- Company
- APOTEX INC
- DIN
- 02523744
- Started
- June 16, 2026
- Expected end
- August 3, 2026 (this estimate has passed and the company hasn't updated it yet)
- Reason given
- Disruption of the manufacture of the drug.
- Report updated
- July 30, 2026
APO-GUANFACINE XR 4MG
Reported shortage- Form
- tablet (extended-release)
- Company
- APOTEX INC
- DIN
- 02523752
- Started
- June 30, 2026
- Expected end
- August 7, 2026 (this estimate has passed and the company hasn't updated it yet)
- Reason given
- Disruption of the manufacture of the drug.
- Report updated
- August 6, 2026
Information only, not medical advice. This page summarizes shortage reports that drug companies file with Health Canada on Health Product Shortages Canada. A reported shortage does not always mean your pharmacy is out. Other makers or strengths may be available, and the end dates companies give are estimates that often change. Do not stop, change or ration a medication based on this page. Talk to your pharmacist about availability, and talk to your prescriber before any change to your treatment.
Data last checked: October 18, 2026. Source: Health Product Shortages Canada, Government of Canada. After the Diagnosis is not affiliated with Health Canada.