Immediately to 3 wk: If the burn is red, dry, and tender, it may be a superficial 1st-degree burn. If it's blistered and painful, it may be a 2nd-degree burn. If it's covered by tough, leathery burned tissue and doesn't hurt, it may be a 3rd-degree burn. It's sometimes hard to tell the depth of scald or contact burns early on. Those that heal up within 3 wk are 2nd-degree; if still open after 3 wk, probably 3rd.
Answered 11/23/2014
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