Sounds like your dog may be struggling with a case of heat stress. Try the below tips for cooling your dog off:

1.  Give your dog plenty of fresh water
2. Give your dog a bath without soap/shampoo (Temperature of water should be 36°C – 38°C) and place them within a cool environment
3. Try keeping your dog in covered shadow area during hot peak hours with maximum temperatures

Dr. Muhammad (DVM) - University of Veterinary & Animal Sciences (UVAS)

DISCLAIMER: All questions have been written purely on experience-based facts and researching authentic scientific publications by a certified veterinary physician. All Rights reserved. You should always seek further advice from your own local veterinarian.