Medical Treatment: Do the following things to treat or prevent heat rash yourself:
To keep your skin cool:
- Drink plenty of fluid to prevent dehydration
- Take cool baths or showers
- Wear loose cotton clothing
- Use lightweight bedding
To calm the itching or prickly rash:
- Do not use gels or creams with perfumed showers
- Apply something cold, such as an ice pack or damp cloth for no more than 20 minutes
- Tap or pat the rash instead of scratching it
