Calfspan Tablets 8 g Tablet (Extended-Release) is a Health Canada–registered veterinary drug (DIN 01908375) held by Can-Vet Animal Health Supplies Ltd., containing Sulfamethazine. Health Canada lists its status as Marketed (status date 15 Jan 2008). Nexara Health has matched 15 registrations of Sulfamethazine across 2 other regulated markets.
Health Canada registration
| DIN | 01908375 |
|---|---|
| Brand name | Calfspan Tablets |
| Active ingredient | Sulfamethazine |
| Strength | 8 g |
| Dosage form | Tablet (Extended-Release) |
| Route | Oral |
| Company | Can-Vet Animal Health Supplies Ltd. |
| Status | Marketed — 15 Jan 2008 |
| Class | Veterinary |
| ATC | |
| AHFS | |
| Regulator record | Health Canada DPD entry · Product monograph |
Sulfamethazine registered in other markets
15 registrations of the same molecule in 2 national registries outside Canada (first 14 shown, exact strength and form first). Each row is taken from the regulator's own published list; status is shown as the registry reports it.
| Country | Product | Marketing authorisation holder | Strength | Form | Status | Registry |
|---|---|---|---|---|---|---|
| Taiwan | "Sulphamezathine" Sulphadimidine Sodium Powde | Astrazeneca Uk Limited | （粉） | 已註銷 | TFDA | |
| Taiwan | Sulfadimidine Sodium | N.v. Chemische Industric "Katwijk" | （粉） | 已註銷 | TFDA | |
| Taiwan | Sulfadimidine Sodium | Marsing & Co. Ltd. | （粉） | 已註銷 | TFDA | |
| Taiwan | Sulfadimidine Sodium | N.v. Chemische Industric "Katwijk" | （粉） | 已註銷 | TFDA | |
| Taiwan | Sulfadimidine Sodium | Marsing & Co. Ltd. | （粉） | 已註銷 | TFDA | |
| Taiwan | Sulfadimidine Sodium (Sulphadimidine Sodium) | Istituto Chemioterapico Italiano S. P. A. | （粉） | 已註銷 | TFDA | |
| Taiwan | Sulfadimidine Sodium BP | Istituto Chemioterapico Italiano S. P. A. | （粉） | 已註銷 | TFDA | |
| Taiwan | Sulphadimidine Sodium | Grindsted Products | （粉） | 已註銷 | TFDA | |
| United States | Sulfamethazine | Hunan Xiangyikang Pharmaceutical Co., Ltd. | Powder | FDA NDC | ||
| United States | Sulfamethazine | Second Pharma Co., Ltd. | Powder | FDA NDC | ||
| United States | Sulfamethazine | Hunan Xiangyikang Pharmaceutical Co., Ltd | Powder | FDA NDC | ||
| United States | Sulfamethazine Sodium, Rx | Hunan Wugan Pharmaceutical Co., Ltd. | Powder | FDA NDC | ||
| United States | Sulfamethazine, OTC | Hunan Wugan Pharmaceutical Co., Ltd. | Powder | FDA NDC | ||
| United States | Sulfamethazine, Rx | Hunan Wugan Pharmaceutical Co., Ltd. | Powder | FDA NDC |
See every manufacturer of Sulfamethazine worldwide →
Sourcing through Nexara Health
Nexara Health is a Health Canada–licensed wholesaler (DEL #3-002896) in Winnipeg. Because this DIN is marketed in Canada, supply normally comes through the Canadian channel; where the Canadian presentation is short or discontinued, the registrations above show which regulated markets hold an equivalent that can be imported under the Special Access Programme or for clinical comparator use. Request a quote or read how named-patient and foreign-pack supply works in Canada.
Frequently asked questions
Is Calfspan Tablets (DIN 01908375) marketed in Canada?
Yes. Health Canada lists DIN 01908375 as Marketed as of 15 Jan 2008.
Who holds the Canadian licence for this product?
Can-Vet Animal Health Supplies Ltd. is the company of record in the Health Canada Drug Product Database.
Is Sulfamethazine registered outside Canada?
Yes — Nexara Health has matched 15 registrations in 2 other markets (see the table above).
Where does this data come from?
Health Canada Drug Product Database (DPD), DIN 01908375, status date 2008-01-15; national medicine registries: FDA NDC, TFDA. Nexara Health re-checks these sources weekly and shows the last verification date at the top of the page.
Source: Health Canada Drug Product Database (DPD), DIN 01908375, status date 2008-01-15; national medicine registries: FDA NDC, TFDA.
Health Canada Drug Product Database (DPD), DIN 01908375, status date 2008-01-15; national medicine registries: FDA NDC, TFDA. Last reviewed 2026-09-16. Nexara Health is a licensed wholesaler and supplies licensed entities only; consumer orders are routed to a partner pharmacy.