A snuggie, I know the ad is cheesy but they are useful I have one.
An oversized throw, a got a fleece one for Christmas and it is awesome but would be better if it were alternative down. 
Warm socks or easy to put on slippers
When DH was recuperating from his appendectomy (his had complications and longer healing time) he really loved comfy flannel or soft cotton pants for lounging.
I personally love coloring books even though I am 28 when I am sick. I know it is crazy.
Ice cream.
Magazines or a Barnes and Noble gift card (can be used online so she doesn't have to leave the house).
Amanda
2011 Specialized Epic Comp 29er | Specialized Phenom | "Marie Laveau"
2007 Cannondale Synapse Carbon Road | Selle Italia Lady Gel Flow | "Miranda"
You don't have to be great to get started, but you do have to get started to be great. -Lee J. Colan