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    bmiqq posted:
    I like to have the views on the following.

    I am a senior citizen of advanced age. I did not have the BP but I was advised to start taking Tinarmin 25 mg about 20 yrs back as it helps keeping healthy heart (though I have no heart problem). My BP remains 120--60 for most part of the year. I noticed over the last about 4 yrs that only for about 2 winter months, it goes up to 155/70. Then it automatically returns to my normal BP i.e 120--130/60. We use gas heaters during winters.

    Now my question is as to why the BP goes up just for 2 winter months. Doctors say that one sweats in summers which is a reason but sweating summer season does not even start when my BP comes down. Does any one has such an experience?
    cjh1203 responded:
    I had never heard of this before, but it turns out that it's not that uncommon. Here's a WebMD article about it, and here's one from Mayo Clinic . Apparently, the increase in BP has to do with cold weather causing blood vessels to constrict. It has nothing to do with sweating in the summer.
    bmiqq replied to cjh1203's response:
    Many thanks. This is what appears to be in my case. Regards
    billh99 replied to bmiqq's response:
    There is a number of things that can cause increased BP in the winter.

    Besides the cold weather itself, there is reduced sun light. That can reduce the vit D3 levels. And some people are also sensitive to the amount of light.

    Also more likely not to get out and be active. To eat more canned and prepared foods. And not socialize as much.

    I have no idea how many of these affect you.

    However, which you have was a large increase. Most research shows only increases of 5 to 10.

    Since you have gas heat I would check and see if you might have a problem with carbon monoxide leaks. Leaks that are too low to trigger an alarm can cause a number of low level health problems.
    bmiqq replied to billh99's response:
    I feel that reduced sun light or lack of exercise/activity could not be the reason for higher BP in my case in winters. It appears to be a seasonal change in winters as mentioned in your initial reply. It is only my systolic BP which goes up and it does not come down with additional drug (Easyday 50 mg) given by the Doc during last two winters.

    Anyway these days, I am OK with 120/55 though the full summer season has still not set in our country; Pakistan.

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