Take Control Rain or Shine

Weather

The weather can affect your blood glucose control and insulin requirements. Some people experience a sudden decline in their insulin requirements when a long period of cool weather (e.g., winter) is abruptly interrupted by significantly warmer weather. In such individuals, insulin requirements will rise as winter occurs and drop in the summer. The reason for this effect is not completely understood, but may relate to the increased dilation of peripheral blood vessels during warm weather and resultant increased delivery of glucose and insulin to peripheral tissues.

People with diabetes who also have the disease lupus erythematosus may experience just the opposite – lower insulin requirements in cold weather and higher requirements in warm weather.

If you find your blood glucose suddenly going unusually high or low and the weather is changing, test often and talk with your doctor about adjusting your treatment routine.

Tip of the Day courtesy of Dr. Richard Bernstein, author of Dr. Bernstein's Diabetes Solution.

Reviewed by Dr. Richard Bernstein. 4/14.

 

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by Brenda Bell
My diabetes is changing. Until a few years ago, my morning readings were reasonable and within the desired range of under 100 mg/dl. About two years ago, they started slipping upwards into the less-desirable but apparently not-worrisome range of 100-110 mg/dl. Now, this was what was recorded by my Abbott Freestyle Lite meter, which is known to record at the lower end of the home-glucometer variability range, but with my A1c firmly in the high 5s and low 6s, the meter's tendency to...