Subtle Signs Your Body Might Be Reacting Badly to Gluten
19. Sudden Mood Swings and Irritability

Beyond anxiety and depression, gluten intolerance can contribute to abrupt mood swings, heightened irritability, or even bouts of unexplained anger. This is due to the gut-brain connection, where gluten-induced inflammation affects neurotransmitter balance, leading to emotional instability. If you notice feeling unusually short-tempered, frustrated, or emotionally reactive after meals, it may be worth considering the impact of gluten on your mental health.
20. Frequent Mouth Sores or Canker Sores

Recurrent mouth ulcers or canker sores could be an overlooked sign of gluten intolerance. The immune response triggered by gluten may cause inflammation in the mucous membranes, leading to painful sores inside the mouth. Many people who cut out gluten report fewer occurrences of these irritating lesions. If you constantly battle mouth ulcers, gluten might be irritating your immune system from the inside out.
