A trip to ER may be in order depending on the type of burn, its size and complicating factors. For instance, most small first-degree burns can be treated at home with a cool compress over the burn and then covering it with petroleum jelly and a bandage. However, if the burn covers a large area of the body (like a bad sunburn) or if it happens to someone at higher risk of complications, such as young children or the elderly, it’s best to seek emergency care. how to ask questions?