Track symptoms after eating gluten-containing foods for 1–2 weeks
Keep a food and symptom diary
Remove all gluten from your diet for 2–4 weeks
Reintroduce gluten and watch for symptom return
Compare symptoms during gluten-free and gluten-containing periods
Check for common symptoms such as bloating, diarrhea, constipation, stomach pain, fatigue, headache, or brain fog
Avoid testing if you have severe symptoms without medical guidance
Do not rely on home testing to diagnose celiac disease or wheat allergy
Seek medical testing if symptoms are frequent, severe, or persistent