Heat rash is a type of skin rash known for it's red bumps or outbreak of small blisters after time spent outdoors in the heat. Blocked sweat ducts prevent perspiration from being released from the body to naturally cool the skin, resulting in a skin rash outbreak. Although some forms of heat rash can cause your skin to itch and feel prickly, not all forms of heat rash include this symptom. When cared for properly, a heat rash usually goes away on its own in three or four days.
- Skill level:
- Moderately Easy
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Things you need
- Lightweight clothing
- Electrical fan
Take a shower in tepid water to cool your skin or soak washcloths in cool water, wring out and apply to the skin as cold compresses. Continue to apply the cool compresses until your skin cools down.
Air-dry the skin that was cooled off in the shower or with compresses. Using a towel to dry your skin can aggravate irritated skin.
Dress in lightweight clothing made from natural fibres, such as cotton, silk or linen. Make sure the clothes are loosefitting so they don't rub against your skin.
Position an electric fan to blow around your skin to keep it cool. Use air conditioning at home or work, when possible, to keep you cool and prevent sweating.
Take acetominophen or another over-the-counter fever reducer if you have a fever accompanying your heat rash.
Tips and warnings
- Soothe skin in a baking soda bath to relieve irritation.
- Keep the skin cool for the duration of the rash to aid in healing.
- Avoid using lotions and creams on skin with heat rash as this can prevent sweat from being released from the ducts.
- If your heat rash doesn't go away after 3 or 4 days, or if the rash area swells or oozes pus, see a doctor. In some cases, heat rash may be caused by an infection.
- If the rash is accompanied by dizziness, nausea, or confusion, or if you have trouble breathing, go to the emergency room immediately; these can be signs of serious heat-related illnesses.
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