Hey, we did BIE for our two eldest to clear them of several food allergies, and it was successful.
Did she check his polarity first? That is important. If his polarity switched or if she hadn't made sure of it first, it would make sense that things might come out pretty wonky.
The machine uses acupressure points.
We had dairy (all aspects of dairy), corn, wheat, red #5, tartrazine, fragrances, eggs...ours were...