Atopic dermatitis

I have a 2.5 yrs old girl ,diagnosed with Atopic Dermatitis. I tried so many different creams with different percentage of steroids, I keep the area moisturized ( behind knees, ears, lower back, palms ) but it comes back again.She reacted with a rush on her face and itchy throat to pistachios, walnuts, kiwi ,dogs,. On an allergy test she was positive to dust mites too.

1. will she grow out of it
2. is it because I exposed her to pistachios too early that she is allergic to them - about 1 year old
2. Any solutions rather than more steroids
4. Will her reaction get worth and worth with time till anaphylaxis ?

I have the epipen with me at all time just in case
Thank yo so much for your time ,

Micahl