The rashes might be quite alarming to look at, but thankfully they’re generally not too serious. In fact, they often clear up on their own within just a few hours. If the rash isn’t going away, there’s a chance that it could be a heat rash instead, which can take a few days to clear up on its own.
For sun allergy treatment, it’s best to stay out of the sun until the rash has gone away. It may also help to take some over-the-counter antihistamines to help lessen any discomfort you might be in.
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