Active substance
Sodium Thiosulfate
3 products from 3 companies contain this in Canada.
3 prescription onlysolution
Prescription only
SEACALPHYX250 mg Seaford Pharmaceuticals Inc · Sodium Thiosulfate · V03AB06SODIUM THIOSULFATE INJECTION USP250 mg Pfizer Canada Ulc · Sodium Thiosulfate · V03AB06SODIUM THIOSULFATE INJECTION USP250 mg Hope Pharmaceuticals Ltd · Sodium Thiosulfate · V03AB06
Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.