High levels of ammonia are frequently found in those on the autism spectrum. Ammonia may be high for many reasons including, bacterial imbalances, overgrowth of e.coli, clostridia, klebsiella, parasites, protein consumption, and so on and ammonia is a byproduct of their metabolism.  One of the most common symptoms of high ammonia is the strong smell of ammonia in sweat, urine, stool and/or breath.  Many often experience behavioral reactions from high ammonia, and in my opinion, this may be because of its ability to increase glutamate levels. An organic acids test (OAT) or a comprehensive stool analysis [...]