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Diabetes and Summer
February 22, 2024

Summer is here and the warm sun’s rays are bringing with them, endless opportunities for beach days, vacations, and outdoor adventures. But for those living with diabetes, this also means taking extra precautions to stay safe in the scorching heat. As temperatures rise and humidity fills the air, managing blood sugar levels presents a whole new challenge. Fear not! In this blog post, we will help you with essential tips to conquer the summer season while keeping your diabetes in check. So, let’s dive into our guide on how to navigate diabetes during these hot and humid months!

 Diabetes and summer: Tips for Staying Safe in Hot and Humid Weather

As the temperatures rise, it is not just about feeling tired and sluggish. For those with diabetes, summertime brings unique challenges that can impact blood sugar levels and overall well-being. Hot, humid weather can pose some unique challenges for individuals with diabetes. The combination of high temperatures and excessive sweating can lead to dehydration, which in turn can cause blood glucose levels to rise. Dehydration may manifest as symptoms like increased thirst, fatigue, dizziness, and dry mouth.

Moreover, the heat can interfere with insulin absorption and action in the body. Normally, exercise reduces the need for insulin. However, during hot weather workouts or activities, this balance may be disrupted. As a result, individuals with diabetes may experience both high and low blood glucose levels.  Additionally, prolonged exposure to heat can strain the cardiovascular system by causing blood vessels to dilate, reducing blood pressure. This puts people with diabetes at an increased risk of heat exhaustion or even heat stroke. The excess sweating can also increase the chances of developing a fungal infection.

Tips for Managing Blood Sugar Levels in Hot, Humid Weather

Managing blood sugar levels in hot, humid weather is crucial for individuals with diabetes. Here are some tips to help you stay on top of your game:

  1. Staying Hydrated: Hydration is key during the scorching summer months. Keep a water bottle handy and sip regularly throughout the day, even if you don’t feel thirsty. Opt for plain water instead of sugary drinks or sodas to avoid unnecessary spikes in blood sugar levels. If you find it difficult to remember to drink enough fluids, set reminders on your phone or use apps that track your hydration goals. Buttermilk with some added salt is excellent especially if your blood pressure is normal.
  2. Protecting Your Feet and Skin: Sweaty feet can lead to discomfort and potentially harmful fungal infections, especially for those with diabetes-related nerve damage. Wear breathable footwear and moisture-wicking socks to keep your feet dry and prevent blistering. If use antifungal creams especially between the toes to prevent intertrigo. In addition to proper footwear, make sure you apply sunscreen generously to exposed areas of your skin before heading outdoors. The sun’s rays can be particularly harmful if you have sensitive skin due to diabetes-related complications.
  3. Adjusting Insulin Dosages: The heat can affect how your body uses insulin, so work closely with your diabetologist to adjust your dosage if necessary. Regularly monitor your blood sugar levels either with a glucose meter or using continuous glucose monitoring and make any needed modifications under medical guidance. It is vital to adjust not only basal (long-acting) insulins but also rapid-acting insulins used at mealtimes or correction doses if needed.
  4. Stay Cool: Seek shade or air-conditioned spaces whenever possible to avoid overheating. Use lightweight clothing made from natural fibres that allow proper ventilation, helping regulate body temperature more effectively.
  5. Coping with Heat-Related Symptoms: If you experience symptoms like dizziness, fatigue, or increased thirst due to higher temperatures, take breaks from outdoor activities and seek relief in cooler environments until these symptoms subside. Remember to always consult with a healthcare professional before making any significant changes to your diabetes management routine during hot weather conditions.

As the summer heat intensifies, it is important for individuals with diabetes to take extra precautions and prioritize their health. The impact of hot and humid weather on blood sugar levels can be significant, but with proper management techniques, you can stay safe and enjoy the season.

By following these tips and remaining proactive in managing your diabetes during the summer months, you can ensure a safer and more enjoyable experience. Remember that each individual’s needs may vary, so it’s essential to work closely with your healthcare team to develop a personalized plan that meets your specific requirements.


Dr. Mohan’s Diabetes Specialities Centres at Chennai, Bangalore and Hyderabad  was awarded “Service Excellence in Diabetology – South” award by the Times of India Survey 2020-2021 conducted by AVANCE. Chennai      Hyderabad Bangalore We are proud to announce that we have been selected as India’s No.1 Diabetes Hospital (in Private sector) by THE WEEK …

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