Sweaty Palms and Feet?
I googled this condition and found a sort of anti perspirant for the hands that might help her out. Its called Drysol. Here is a link you can cut and paste. http://www.sunrisemeds.com/product_detail.php?id=113&PHPSESSID=9dedc6f38ff616a5bba1c0537cb754e5
Wedding Day Survival Kit for the Bride?
I think it might be a good idea to put in some of those sheets that you dab your skin with to soak in any oil or perspiration. I forget what they are called but you can fing them at any drug store.