Question: how do you know if you need to stop eating gluten?
Answer: Diarrhea and constipation. Share on Pinterest Symptoms of gluten intolerance may include constipation, fatigue, headaches, and nausea. ... 
Bloating. ... 
Abdominal pain. ... 
Fatigue. ... 
Nausea. ... 
Headaches. ... 
Other symptoms.