In the 17th century, patches were used to conceal blemishes like the scars left by diseases like smallpox or even syphilis.
Everyday Health on MSN
Is that rash psoriasis, or is it something else?
From white blisters to red and scaly patches, psoriasis skin rashes come in several different forms. How do you know if you have psoriasis or a similar-looking skin condition?
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