Wheat allergyAn immune reaction to wheat proteins. Hives, mouth tingling, congestion, wheezing, stomach upset, and rarely anaphylaxis. Rye and barley may be fine.
Gluten sensitivityBloating, fatigue and digestive upset from gluten in wheat, rye and barley. Uncomfortable, not life-threatening, no immune antibodies.
Celiac diseaseAn autoimmune reaction to gluten that damages the small intestine and blocks nutrient absorption. Diagnosed by blood test and biopsy. Lifelong gluten-free diet.
Only Wheat Allergy Responds To Immunotherapy