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Vulnerable bare legs in cold environment - get cold

I have a condition that become worse and worse each year. I am 45 male living in tropical area which is hot and warm all year long. I am pretty healthy and only blood pressure is a little bit high.

If I only wear short indoors with air condition on for 1 hour I can get sick easily. Cold. Even no air condition is on I feel uncomfortable on knees and below. Many people can swim in the sea now without problem. If I go swim in the sea the not so warm water will make me sick. If I wear short and spend maybe a couple of hours outdoor in not cold or warm but windy environment I can get sick, too. In those situcations if I keep running or playing ball games I would not get sick though. Last Sunday I wore only short after a workout and had to sit in a bus with AC on for about half of an hour and I became sick, getting cold. When it happens my knees, especially left one, feel chilling cold and lower legs are also very cold.

I know I can prevent this by wearing pants and more if necessary. But I want to know the deep reason of this and possibly cure this problem. Thanks.
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replied March 30th, 2012
Welcome to e health forum.

The description of your symptoms indicate the possibility of Raynaud's syndrome, triggered by exposure to cold temperatures.

Exposure to cold results in episodes of spastic constriction of the blood vessels, blocking the flow of blood. This causes the affected area to change colour to white, then blue and then finally red as the blood flow returns.

The symptoms may vary, but most people may feel pain, numbness and pins and needles in the affected body parts. They can last from a few minutes to several hours.

You might be able to control the symptoms using self care measures like avoiding cold, wearing gloves, socks, etc and quitting smoking.

In case the above measures do not help, prescription of vasodilator medications can help to control or prevent the symptoms. Hence you may consult with your doctor for a physical examination and specific treatment and advice.
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