A medical gauze is a sterile pad that is applied to the wound to shield it from contamination and further infection of any kind. The gauze makes sure the wound stays sterile and the healing is uninhibited.
Xeroform dressings are a type of medical wound dressings that are infused with 3% Bismuth Tribromophenate in a petrolatum or oil emulsion base. Their antiseptic and antibacterial properties help protect the wound from infections.