What's her set up like?
Lighting/UVB? What Brand and how old?
Basking temps/Ambient temps?
Substrate?
How old is she?
How long has this been going on?
Are you soaking her daily and misting her so she stays hydrated?
What foods are you offering and how often?
Has she been having bowel movements daily?
Supplements?

Did the vet do a fecal exam to check for parasites? Or did she just say the Bearded might have parasites and leave it at that...

What meds were you given?