Shower twice a day in summers and drink loads of water and have gulkand!
Try applying aloevera gel, it has personally worked a lot for me.
Have a bath twice a day.
Don't keep sitting all day with your back leaning on to some support. It doesn't let your back area receive fresh air. Stay hydrated.
Wear loose outfits, eat food with less warmth
Stay hydrated, clean yourself properly. You can apply aloevera as well.
Drink water and apply Weehzal’s powder. 🙌🏻
Keep your back clean and stay free from sweat
Drink water, use multani mitti
Mulatani mitti and stay hydrated