I once nicked a pint glass of vodka and orange off Lemmy...
Apparently you need gluten free organic cold pressed coconut oil flavoured unicorns with a kale smoothie to follow...
Alternatively, ask your doc for a good shampoo, moisturise a couple of times a day (just get a cheap one from Home Bargains) accept that it's a bit of a twat but won't kill you and try to chill as much as possible. There's no cure, but there is management and it needn't be unpleasant.
Find a moisturiser that really suits you, and it doesn't have to a fancy expensive one, my favourite is Johnson's Baby Lotion, stops the itching, soaks in well and smells of nostalgia... It's also about £1 a bottle in Home Bargains!
At the moment I'm having great results with the new foam spray stuff from the doctors, so try to get him/her to prescribe it.
Also, bear in mind that you're not alone, there's loads of us out here and there's no reason why you can't even have a sense of humour with it. Welcome to the friendly forum!