“Heat rashes are caused when your sweat glands are blocked. This leads to a sweat build-up in the top layers of the skin. These blockages is caused due to ductal ruptures, excessive sweating, bacteria, and other risk factors. Wearing tight clothes also lead to this issue,”says Dr. Dimple Jangda, Ayurveda and gut health coach, in her recent Instagram post. She further shared some effective Ayurvedic remedies to treat heat rashes.