The Anonymous Widower

Getting To The Bottom Of My INR Results

Since the start of the hot weather my INR results have not been troublesome but just a bit wayward.

To get a hold on it, I have been testing my INR every day from the 1st of July.

Normally, I take a dose of 4 mg of Warfarin every day and this keeps my INR at around 2.5.

But in the hot weather the INR was drifting towards 2.0, so I was using a dose of 5 mg every so often to nudge it upwards.

I was also drinking heavily in the hot weather, but nothing was stronger than 0.5% alcohol Adnams beer, which I know doesn’t affect my INR and to my body, it is gluten-free. Most of the other drinks were still lemonade, tea and water.

I came to the conclusion, that the water was being boiled out of my body by the heat.

At least, the INR only hit 2.0 a couple of times and never went below it.

On the 14th of September I had the decompensation stroke, I wrote about in I Had A Decompensation Stroke On Saturday.

This is my INR values and Warfarin dose since that day.

  • 14th September – 2.2 – 5
  • 15th September – 2.2 – 5
  • 16th September – 2.2 – 5
  • 17th September – 2.3 – 5
  • 18th September – 2.7 – 4
  • 19th September – 2.9 – 4
  • 20th September – 2.6 – 4
  • 21st September – 2.7 – 4
  • 22nd September – 2.7 – 4
  • 23rd September – 2.5 – 4
  • 24th September – 2.6 – 4
  • 25th September – 2.6 – 4
  • 26th September – 2.6 – 4
  • 27th September – 2.7 – 4
  • 28th September – 2.9 – 4
  • 29th September – 2.8 – 4
  • 30th September – 3.3 – 3
  • 1st October – 2.6 – 4

Note.

  1. I usually measure my INR, when I have a bath at eight in the morning.
  2. I usually take my Warfarin around three in the afternoon.

I do this so that I don’t test my INR too close to taking the drugs.

Note too how the INR rose on the 28th of September and stayed high or higher for two days.

I don’t think I ate anything that would cause the INR to rise and the weather was getting more humid. So was that the cause, or was it the fact that I had a hair-cut on Friday night?

Why should I blame the haircut? After I came out of hospital my hair looked like Einstein’s and it felt very dry.

So do I normally lose water from my body through my hair? Trying to find a connection on the Internet is a nightmare, as they assume I’m asking about hair loss.

I’m not worried about myself, but suppose you are having regular INR tests in hospital every few weeks.

Would a false reading mean that you ended up on the wrong dose?

Conclusion

I will continue to test my own INR, as I feel it is easier.

October 1, 2019 - Posted by | Health | ,

2 Comments »

  1. This is interesting, when thinking about my glucose levels which I test each morning before I eat breakfast, and sometimes at other times in the day – depending on weather, my exercise levels that day, before and during a long drive etc. I strongly prefer my early morning reading to be between 5 and 6 – ideally nearer to 4. On doctors instructions I drink sparkling spring water to keep my palate clear, as pain meds dry my mouth. I noticed how much sodium was in the water. Over the past few days I have only had sips, and had decaf tea for hydration instead. For no reason I can fathom my glucose levels have dropped. And I have shed a lot of fluid, way more than I have been drinking. All very interesting.

    Comment by liz p | October 1, 2019 | Reply

    • I drink a lot, but none is real alcohol. I probably have six or eight mugs of decaf tea a day and for years, I’ve had one before bed. And I sleep like a log.

      I have very dry skin.

      Comment by AnonW | October 1, 2019 | Reply


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