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Unusual White spots on forearm?

My husband has developed a lot of whitehead small spots on his forearms over the past few days.  He thought they were spots and popped them but nothing came out.  They start from his wrist and don't go beyond his elbow and are only on the front of his arm.  Having visited the pharmacy they gave me an antihistamine cream to rub on and suggested it might be a heat rash.  I know it's difficult to suggest what they might be, but any help?
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563773 tn?1374246539
MEDICAL PROFESSIONAL
Hello,
From the symptoms that you have described,they can be folliculitis or lichen nitidus.Lichen nitidus characterized by 1-2 mm, discrete and uniform, shiny, flat-topped, pale flesh-colored or reddish-brown papules.

Generally, lichen nitidus is asymptomatic and self-limited; therefore, no treatment is required.However in severe cases,topical glucocorticocoids can be prescribed.

I hope that helps. Take care and pls do keep me posted on how you are doing or in case you have additional queries. Kind regards.

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Avatar universal
My father has similar white bumps on his arms and hands, when Ive asked him about them hes said they are simply caused by ageing and the fact you say they may be heat rashes links in as well since he lives in Dubai and didnt have them before hand. Dont know if that will help at all, hope it stops you worrying as much!
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