Seems to be a common reoccurring theme with Clomid. I'm in the exact same boat as you. I actually just skipped my dose pf letrozolel ast week b/c I'm not sure if that's really working and cut my climbed dose from 25mg per day, to 12.5 per day, and now i'm taking 25mg e3d. I don't feel any different so far, actually starting to feel a little better.
Climbed seems to be a libido killer though and it's come up on this forum quite a bit latley.