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[angrybananapeel]

could be any number of things, but with so little info, it's tough to help. She ate 4 days ago, so she shouldn't be hungry, and the temp sounds ok. She shouldn't need to shed. Maybe it has parasites. maybe it doesn't have a good place to hide. Maybe it's just a mean snake. maybe you don't have a good gradient.
Sick Herp Questionaire

Fill as much out of this as you can, and people who know more than me may be able to offer more advice.