Often-Missed Symptoms Pointing Towards Autoimmune Disease

61. Chronic Mouth and Nasal Sores: An Oral Warning

Persistent, painful sores in your mouth or nose that don’t heal can be a clear sign of an autoimmune disease. While a single canker sore is common, recurring or deep ulcers, particularly on the palate or inside the cheeks, can be a symptom of Behçet’s disease or lupus. These sores are a direct result of immune-mediated inflammation attacking the mucous membranes. They are often dismissed as simple dental issues or allergies, but they can be a key early indicator that your immune system is overactive and targeting healthy tissue.

62. Unexplained Abdominal Pain and Bloating

Beyond a simple upset stomach, persistent and unexplained abdominal pain, bloating, or changes in bowel habits can signal an autoimmune disease. Conditions like celiac disease or Crohn's disease involve the immune system attacking the gastrointestinal tract, causing chronic inflammation. This silent warfare can lead to a host of digestive issues, including gas, pain, and a constant feeling of fullness, even after eating very little. Unlike a typical food intolerance, these symptoms are a result of a systemic immune response. If your stomach feels consistently "off" without a clear dietary reason, it could be a sign that your gut is a battleground for a larger immune issue.