How to Keep a Dog with Diabetes Hydrated During Summer

August 04, 2026

Summer is a wonderful time to enjoy longer walks, backyard play, and outdoor adventures with your dog. For dogs with diabetes, however, hot weather requires extra attention to hydration. A diabetic dog can become dehydrated more quickly, making fresh water, regular routines, and monitoring water intake important parts of summer care.

Dogs with diabetes, kidney disease, or Cushing’s disease are more prone to dehydration and may drink more water than normal. For diabetic dogs, when blood sugar levels become elevated, excess glucose is excreted through the urine. As the body flushes out that glucose, it also loses water, causing increased urination and thirst. Even dogs whose diabetes is well managed can become dehydrated more quickly during hot, humid weather.

Keeping your dog well hydrated supports healthy kidney function, aids digestion, helps regulate body temperature, and replaces fluids lost through increased urination. During the summer months, making hydration a daily priority is one of the simplest ways to support your dog’s overall health.

How to Keep Your Diabetic Dog Hydrated

Here are a few easy ways to help your diabetic dog stay hydrated during warm weather:

Always provide fresh, clean water. Check water bowls throughout the day and refill them often, especially if they are kept outside.
Bring water wherever you go. Whether you are taking a walk, visiting the park, or traveling, carry a portable water bowl and offer frequent water breaks.
Exercise during cooler hours. Early morning and evening walks help reduce the risk of overheating and excessive fluid loss.
Provide plenty of shade. If your dog spends time outdoors, make sure there is a cool, shaded area where they can rest.
Monitor drinking habits. A sudden increase or decrease in water consumption can be a sign that something has changed and may require a conversation with your veterinarian.

While increased thirst is common in dogs with diabetes, a sudden change in drinking or urination can indicate that blood sugar levels are no longer well controlled or that another health issue, such as a urinary tract infection, may be developing.

Know the Signs of Dehydration

Even with good hydration habits, dehydration can develop quickly during hot weather, especially in dogs managing chronic health conditions. Knowing the signs of dehydration can help you recognize when your dog may need extra attention.

Signs of dehydration may include:

Excessive panting
Dry or sticky gums
Low energy or unusual tiredness
Sunken eyes
Reduced appetite
Dark-colored urine or less frequent urination
Weakness or confusion

If you notice these signs or a significant change in your dog’s water intake, contact your veterinarian.

A healthy routine also includes choosing treats that fit your dog’s nutritional needs. Old Dog Cookie Company’s all natural Diabetic Dog Treats are made with wholesome ingredients and are designed to be a rewarding part of a balanced lifestyle for dogs managing diabetes.

This summer, keep the water bowl full, avoid the hottest parts of the day, and enjoy plenty of safe outdoor adventures together. A little extra attention to hydration can go a long way toward helping your diabetic dog stay healthy, comfortable, and ready for more tail wags all summer long.

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