These are indications that may suggest oxalate issues in children with autism. This list is based on parents reporting what has been changing on the low oxalate diet. Whether these issues will change in many or most children with autism on the low oxalate diet will remain to be seen!

• Urinary problems including urinary urgency, frequent urination, genital pain, overextended bladder or kidney stones
• Sudden outbursts of bad behavior or GI or other pain within minutes to within a couple of hours of eating
• Problems with expressive speech
• Changes in function or behavior that follow use of Miralax or Glycolax
• "Yeasty behaviors"
• Problems with glycine (DMG, TMG)
• Constipation or diarrhea unresponsive to other therapy
• Intolerance to sulfur supplements
• New problems developing whenever nuts, legumes or soy are introduced to the diet.
• Craving high oxalate foods
• Possibly, seizure
• Bloated belly unresponsive to other treatment or diet
• Growth delay (even that which is responsive to growth hormone therapy)
• Obsessive behavior
• Biotin issues (but maybe not responsive to biotin or even behavior that gets worse on biotin)
• Possibly odd reactions to calcium like stimmy behavior