I have had it on and off for years but have never mentioned it to the GP.
It's always on both sides of me, usually I'm
2 locations. So if it's on my lower legs., it's on both. If it's on my arms, it's on both.
Currently having a massive flare up on my lower legs.
It's very very itchy and piriton etc makes no difference.
I'm T1 diabetic also btw