Overexposure to the sun can cause sunburn and heat rash. The sun can also cause allergic reactions in some people, including those taking certain medications, such as antibiotics and those with conditions like rosacea and lupus, says DermNet NZ. To prevent a rash caused by the sun, stay out of the sun during peak daytime hours, wear protective clothing and apply sunscreen. If you do develop a rash after spending time in the sun, you can usually treat it at home. If the rash is severe, blistering or covers a large percentage of the body, seek medical care.
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Get out of the sun. KidsHealth advises going indoors at the first sign of redness.
Take a cool bath, suggests the University of Florida. If you cannot bathe, apply cool, wet washcloths to the burned areas. Try soaking the washcloths in tea or milk to reduce inflammation.
Apply moisturizing cream to the skin to relieve dryness and itching. Those made with aloe may be especially soothing.
Drink extra liquids over the next few days to replace fluids that you may have lost.
Take over-the-counter pain relievers, such as acetaminophen or ibuprofen, as needed for pain.
Stay out of the sun until your sunburn is completely healed. If you must go in the sun, cover any affected areas with clothing to prevent further damage, suggests KidsHealth.
Get out of the sun and into a cool building, preferably one with air conditioning, suggests MayoClinic.com.
Take a cool bath or shower and allow your skin to air dry.
Rub on calamine lotion or apply a cool compress to reduce inflammation and relieve itching.
Put on lightweight, cotton clothing. Cotton will wick away moisture and keep your rash drier while it heals, says Medline Plus.
Stay in the air conditioning if possible. If you do not have air conditioning, try using a fan to keep your skin cool.