When skin is rewarmed after being very cold or frozen, it
is normal to have pain, warmth, and redness as blood flow returns to the area.
Swelling that develops after rewarming cold skin may be caused by a cold injury
or infection. It is very difficult to tell the difference between normal
recovery from cold exposure and a problem such as infection.
Climate change isn't just increasing outdoor temperatures and warming up the
oceans. It may also greatly increase your chances of getting a really bad case
of poison ivy.
As the level of carbon dioxide in the atmosphere increases, it's boosting
the growth of poison ivy plants, two recent studies show. These elevated carbon
dioxide levels are creating bigger, stronger poison ivy plants that produce
more urushiol, the oil that causes the allergic reaction and miserable poison
ivy rash. The urushiol...
People who have conditions such as
peripheral arterial disease or who have a disease or
take a medicine that affects the
immune system have a greater chance of developing an
infection. This is because of decreased blood flow to the hands and feet.
Jan Nissl, RN, BS
Susan Van Houten, RN, BSN, MBA
Primary Medical Reviewer
William M. Green, MD - Emergency Medicine
Specialist Medical Reviewer
Paul S. Auerbach, MD - Emergency Medicine
May 20, 2009
WebMD Medical Reference from Healthwise
May 20, 2009
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