What causes canker sores? Canker sores can have numerous causes, but are most commonly due to:
- Trauma or irritation
- Stress and anxiety
- Dietary reasons
- Underlying systemic health issues
Signs And Symptoms
Canker sores are usually smaller than cold sores, only taking up about three to six millimeters of space. They are round or oval with a red or raw appearance. If you have multiple canker sores or canker sores in the throat, it is most likely due to a virus such as the strain that causes cold sores.
Most aphthous ulcers or canker sores are tender and typically last 10 to 14 days. Canker sores on the tongue, canker sores in your mouth, under the tongue, or on the lips are all normal locations. Concerns arise when the canker sores or aphthous ulcers are frequent, recurring or chronic.
If you have chronic canker sores that recur on a frequent basis, you should know that canker sores or other forms of oral blisters, cold sores or ulcers are a symptom of underlying health problems such as:
- Gluten intolerance
- Celiac disease
- Crohns disease
- Irritable bowel disease
- Nutritional deficiency
- Behcets Syndrome
- Drug induced (Fosamax, beta-blockers, NSAIDS)
If you have a condition such as gluten intolerance, your canker sores may be a natural warning to alert you to alter your diet.
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