What is the appropriate treatment for second-degree or third-degree burns that have open blisters?

For second-degree or third-degree burns with open blisters, the appropriate treatment is to wrap the affected area with a loose, dry dressing. This method helps protect the burn from further irritation or infection while allowing it to breathe and heal. A loose dressing can absorb any exudate without sticking to the wound, which is important to minimize pain and damage during dressing changes.

Using a loose dressing also helps prevent exposure to environmental factors that could impede healing or introduce infection. Properly covering the area can help maintain a moist environment around the burn, which is beneficial for healing.

In contrast, immersing the burn in ice or cold water can further damage the skin by causing additional thermal injury. Such methods are not recommended as they can lead to hypothermia or shock. Applying substances like butter is a myth that can trap heat and bacteria in the burn area, worsening the injury and increasing the risk of infection.