hat reis gluten? — when to see a doctor?

Rice is naturally gluten‑free, as it does not contain wheat, rye, or barley. However, cross‑contamination can occur in processed rice products (e.g., rice flakes, rice cakes) if they are produced in facilities that also handle gluten‑containing grains. If you experience persistent symptoms such as bloating, diarrhea, fatigue, or skin rashes despite a gluten‑free diet, consult a doctor to rule out non‑celiac gluten sensitivity, irritable bowel syndrome, or other food intolerances. A medical visit is also warranted if symptoms consistently appear after eating rice – this could indicate a rare rice protein allergy or a FODMAP intolerance. The evidence from the provided context is weak; the statements are based on general medical knowledge.