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Yes, food intolerance can trigger muscle pain through dehydration, electrolyte shifts, or immune reactions, though other causes are common.

Yes, food intolerance can trigger GERD-like symptoms and reflux flares, though it doesn’t cause the underlying disease by itself.

Food intolerance can trigger low-grade inflammation in certain cases, but many intolerances cause symptoms without a measurable immune surge.

Yes, food intolerance can trigger mucus in stool by irritating the gut, but red flags like blood, fever, or weight loss need medical care.

Yes, food intolerance can cause nausea; symptoms often start within hours after trigger foods and relate to digestion, not an immune allergy.

Yes, food intolerance can trigger itchy skin in some people through gut–skin pathways, histamine load, and other non-IgE mechanisms.

Yes, food intolerance can cause an itchy anus through diarrhea and skin irritation; confirm other causes and test triggers with short eliminations.

Yes, food intolerance can trigger mouth ulcers in some people; common culprits are acidic foods, SLS toothpaste, and gluten-related disease.

No, food intolerance doesn’t cause fever; a temperature after eating usually points to infection or food poisoning, not intolerance.

Yes, food intolerance can cause indigestion: certain foods trigger gas, bloating, and upper-abdominal discomfort through poorly digested sugars and fats.