When your six-month-old baby has prickly heat, it can be improved by lowering the indoor temperature, changing clothes regularly, bathing regularly and applying topical medications. 1. Lower the indoor temperature: baby prickly heat may be caused by the high temperature outside, resulting in the blockage of sweat ducts, you can turn on the indoor air conditioning or fan, lower the indoor temperature. 2. Change clothes and take baths diligently: baby’s skin should be kept fresh and dry, try not to use soap, shower gel and other alkali liquids, which can easily irritate baby’s skin, and rinse with water more often to avoid skin blockage. So change clothes and bathe your baby diligently. 3. Topical medication: If the inflammation is obvious, you can apply topical glucocorticoid such as Dinaid cream, etc. If the itching is serious, under the guidance of the doctor, apply some application of glycerite lotion treatment. After the above treatment, prickly heat can be gradually reduced and disappear.