My doctor told me that if I had numbness in my hands/feet I should eat a banana for the potassium......but the blue lips....better get that checked out by YOUR doctor!
I've had the blue fingernail beds, but it eventually went away on it's own, I'm not quite sure why though, it could be because I didnt' take the Topamax for a few days. The numbness also went away, I had that in my legs and hands.