For over three weeks now i have on both legs what looks like a shaving rash,its very itchy and sore,i have never had any problems with shaving,and never had anything like this before,small raised red bumps, i stopped shaving but it hasn't gone away,but has come up on my left arm,and i don't shave my arms,what it is and how can i treat it,can you advise me please.
Thanks