Weather can affect your blood sugar. If you have diabetes, you may be especially sensitive to the hot weather of summer.
Extreme heat can affect your blood sugar control. If you use insulin or your blood sugars aren’t effectively controlled, you could be at higher risk during the summer months, and depending on your level of activity, developing low blood sugars may also be a concern.
If you’ve had complications from diabetes that have damaged the nerves to sweat glands, you may be unable to sweat properly. This can become serious as outdoor temperatures rise, leading to heat exhaustion and heat stroke.
How heat can affect you
How the heat affects your levels depends on what you’ve eaten, whether you’re well-hydrated and your activity level.
If the heat and your activity makes you sweat a lot, you may become dehydrated, leading to a rise in glucose levels. This can lead to frequent urination, which then leads to further dehydration and even higher blood sugar levels.
Tips for managing blood sugar in summer.
• Drink plenty of water. Staying hydrated is important for everyone during physical activity, and it’s especially critical if you have diabetes.
• Adjust your insulin as needed. Consult your doctor how you should adjust your insulin (and sometimes eating extra carbohydrates) before exercising.
• Test your blood sugar levels frequently. Since hot temperatures can cause blood sugar levels to fluctuate, it’s a good idea to test more often. That way, you can take appropriate and immediate action to keep your levels stable.
• Keep items to treat low blood sugar with you. This includes glucose preparations and sweets.
• Take proactive steps to protect your insulin, medicines and other supplies before you head outdoors, regardless of the temperature.
• Avoid sunburn. Sunburn stresses your body and can raise blood sugar levels. Use a broad-spectrum sunscreen and wear protective eye gear.
Finally, limit how much time you spend outside in extreme temperatures.
Dr Prajaya Shikhar Shrestha
Consultant Endocrinologist
Diabetes, Thyroid & Hormone Clinic
Shankhamul Healthcare
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