The HELP 2

[Unregistered]

At me on a head has appeared kakoeto reddish razshchdrozhenie and an itch iam?
What is it, whether dangerously it how to treat?

[Doctor Vitaly]

On internal reception. "Reddish" rashes there can be a set of kinds (both harmless, and requiring in treatment) and to define or determine through the Internet at me it will not turn out.