Use Antihistamines:
Try to use over the counter antihistamines to soothe the itching symptom related to heat rash. The over the counter histamines are available in whether the topical or oral medications as the antihistamines are anti-allergic. Hence, they also help in bringing down the inflammation on the skin. If you are giving antihistamine medications to a child, make sure that you consult the pharmacist or the pediatrician about the best types of antihistamine medications for the child.