Oligoantigenic Diet and Core Symptomatology of Children With Attention-Deficit /Hyperactivity Disorder (ADHD).

Fifty patients who diagnosed as ADHD syndrome according to Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM 5) Criteria aged from 6 to 16 years old will be assigned randomly into 2 arms: arm 1: the patients will follow food regimen that cover recommended daily allowance (RDA) for macronutrients and micronutrients suitable for their ages without any food restriction, arm 2: the patients will follow food regimen that cover (RDA) for macronutrients and micronutrients suitable for their ages based on Oligoantigenic diet (OAD). Psychiatric assessment will be done before intervention and after 3 months of intervention.