Active substance

Sulfadiazine

2 products from 2 companies contain this in United States.

2 prescription onlyTablet

Prescription only

Sulfadiazine500 mgPrescription onlyTablet EPIC PHARMA, LLC · Sulfadiazine Sulfadiazine500 mgPrescription onlyTablet Chartwell RX, LLC · Sulfadiazine

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.