Take control rain or shine

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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 Francine Kaufman, MD. 4/08

See All Tips.

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Last Modified Date: November 28, 2012

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by Lindsey Guerin
Last Saturday, I’d been struggling with an entire week above 200 that just didn’t seem to want to budge. So I decided that I couldn’t risk the Omnipod anymore and I had to pull it from my management routine, at least until things settled down. I started twice-daily Lantus injections on Saturday night and have been working out the kinks of being back on MDIs since then. The first three days of switching to MDIs were rough. Watching the Lantus take effect slowly was like waiting for...