Symptoms may vary widely, depending on inherent constitutional weaknesses and tendencies. Symptoms of leaky gut syndrome, according to Elizabeth Lipski MS CCN, are not limited to but may include: Multiple sclerosis, schizophrenia, ankylosing spondylitis, autism, celiac disease, childhood hyperactivity and behavior disorders, chronic fatigue syndrome, eczema, environmental illness, food allergies or sensitivities, HIV positive, hives, inflammatory bowel disease, liver dysfunction, malabsorption and malnutrition, pancreatic insufficiency, systemic lupus erythomatosus, ulcerative collitis.