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does dehydration increase pt inr value? if so, why?
my pt int value was 1 in all tests but one week ago, it was 1.1. the day before test, i had a severe diarrhea.
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Avatar universal
Dehydration does cause the INR to change #s.  I know this because my Dr at the Mayo Clinic had a worse INR on her blood test then me.  She said it was because she was dehydrated.  Funny thing is I have Cirrhosis and obviously she does not.  There you go.  No worries.  Your still in the normal range.
Be well
.....Kim
Helpful - 0
317787 tn?1473358451
Hi I found the forum for Anxiety.  I think it would really help you.  I am not trying to offend you just trying to help you.  I see that you have over 200 posts all about your health.
I hope you can find some peace
Take Care
Dee

http://www.medhelp.org/forums/Anxiety/show/71
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317787 tn?1473358451
Lynn is right your PT of 1.1 is nothing to worry about.  Mine is 1.1 I had surgery and had no problems with bleeding.
I do think that you should try to get your anxiety under control.  I am not sure if there is a forum for anxiety but I will try to find it.
If not that there is an OCD forum.  I think someone gave that to you
Take Care
Dee
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683231 tn?1467323017
That is a normal result as much as it seems you want something to be wrong with you there does not appear to be any abnormalities in your test results.

From web MD

http://www.m.webmd.com/a-to-z-guides/prothrombin-time

What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:

Taking medicines that can affect the action of blood thinners (such as warfarin) and vitamin K. These include antibiotics, aspirin, cimetidine (Tagamet), barbiturates, birth control pills, hormone therapy (HT), and vitamin K supplements.
Having severe diarrhea or vomiting that causes fluid loss and dehydration. This may make the PT time longer. If diarrhea is caused by poor absorption of nutrients, vitamins, and minerals from the intestinal tract (malabsorption syndrome), the PT may be longer because of a lack of vitamin K.
Eating foods that have vitamin K, such as broccoli, chickpeas, kale, turnip greens, and soybean products.
Drinking a lot of alcohol.
Taking some herbal products or natural remedies.
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