The most frequent ADHD treatment failure, the most frequent ADHD medications complaint seen every day in our busy offices, is weight loss non-compliance with ADHD meds.
But you can't treat dopamine problems with serotonin reuptake inhibitors - nor can you treat serotonin related conditions with dopamine reuptake inhibitors.
The single most visited post in all of the almost 7 years that I've posted medical updates at CorePsych Blog is this posting on Vyvanse Water Titration - slowly is best with any stimulant as outlined in this video.
This deep but brief review by Camille F. J. Lieners PhD, Luxembourg, regarding the IgG controversy [Evomed Diagnostics] helps answer many questions about food testing.