Cool showers, calamine lotion, an antihistamine maybe. Are you sure it's prickly heat? I only ask because I thought that was what I got every time I went abroad in the summer but now I find it's Polymorphic Light Eruption which is different.
A great prevention (worked for my OH and dad), is to thorough exfoliate 2-3 times a week with those glove things (£1 in Tesco), it remves the dead skin cells that clog up and cause prickly heat.
It is isn't Tilly, I mean I'm not fair skinned, tan really easily and rarely burn but a week into my holiday I get these ugly hard itchy red spots - look horrible.
That's why I'm taking antihistamines. Trying to get rid of some of the blotches and the itch.
I spend my holidays in long linen trousers and long sleeved cotton tops. I would love to be able to just wear a t-shirt but I can't
I suffered with prickly heat for years, use to make holidays and hot
Weather here miserable. I now use ultrasun sun cream its brilliant have,nt had prickly heat since . You get a long lasting tan .