this.
one time I phoned NHS Direct late at night with complaints of such a rash, and they sent a doctor round in a car to pick me up.
( Moon Girl Technologies horrendous beanbag, Mon 29 Jun 2009, 12:03, archived)

They are very good

(bogus official shove it up your cunt, Mon 29 Jun 2009, 12:07, archived)

yeah they never did work out what it was in the end though,
after keeping me in overnight and taking umpteen blood samples, they eventually concluded it was "just one of those things".
( Moon Girl Technologies horrendous beanbag, Mon 29 Jun 2009, 12:09, archived)