Do not compress hot new bleeding, because the heat will cause the blood vessels enlarge making the bleeding again after stopping blood or bleeding more but should use a cold compress within 24-48 hours.
Do not compress the bleeding area hot because the heat makes blood vessels dilate causing bleeding after bleeding or bleeding more. But be cold in 24-48 hours.
Not hot compression area with new bleeding because heat will make blood vessels expand bleed getting after stop bleeding or bleeding. But you should use cold compression in the 24 - 48 first hour.