Nope, I haven't had that problem, but I am also on a lower dose than you. I was fine on 15mg but when I lowered (gradually getting down to 7.5) I got very short of breath. I was put back up to 12.5 which is OK though I'm still not 100%.
I do find that lying down when I have these attacks makes it worse and, of course, the anxiety linked to not being able to breath doesn't help. My Gp prescribed some drops for me to help with anxiety and I found that taking those before going to bed helped. It might be worth thinking about whether anxiety could make this worse for you as it is understandably frightening enough.
sorry, can't help more on that,
Katharine
I do find that lying down when I have these attacks makes it worse and, of course, the anxiety linked to not being able to breath doesn't help. My Gp prescribed some drops for me to help with anxiety and I found that taking those before going to bed helped. It might be worth thinking about whether anxiety could make this worse for you as it is understandably frightening enough.
sorry, can't help more on that,
Katharine