The difference between a medium dressing change and a small dressing change is in the specifics of the wound, the extent of the dressing change, the supplies used, and the cost. Wound specifics include the size of the wound. For a medium dressing change, the wound size is usually 10-30 cm², or the length of the wound is 3-5 cm; for a small dressing change, the wound size is smaller, mainly for small wounds with a wound size of ≤10 cm² or a length of ≤3 cm. Medium dressing changes have a larger and longer wound area, and the scope of disinfection is relatively larger. Small dressing changes have smaller wounds and a relatively smaller disinfection area. Generally, the disinfection area is larger than the wound. Medium dressing changes use more supplies, including more gauze pads, povidone-iodine swabs, bandages, and medium or larger sized dressings, and are charged at a higher rate. Smaller dressing changes generally use fewer supplies and smaller dressings. For wound dressing changes, it is advisable to seek medical attention and have them performed by a medical professional.