Learn about canker sores (aphthous ulcer) causes, like allergies, immune disorders, vitamin and mineral deficiencies, smoking, stress, and female sex hormones.

Learn the causes (tomatoes, toothpaste), symptoms, treatment and prevention of canker sores (mouth ulcers). They're not the same as cold sores and oral herpes.

Canker sores and possible causes canker of sores. ... Canker Sores - What Causes Canker Sores? From About.com. Updated: August 27, 2007

Causes Return to top. Canker sores are a common form of mouth ulcer. They occur in women more often than men. They may occur at any age, but usually first appear ...

What causes canker sores (aphthous ulcers)? What are the risk factors for triggering outbreaks of these mouth ulcers?

The causes,treatment and prevention of Canker Sores along with pictures. ... Canker Sores. Canker Sores or aphthous ulcer are basically small shallow ulcers, which appear in the ...

Canker sore ? Comprehensive overview covers causes, treatment and prevention of these painful mouth sores.

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Brief and Straightforward Guide: What Causes Canker Sores? ... Canker sores are painful sores in the mouth that may be caused by a variety of different agents.

What causes canker sores anyway? Let's take a closer look at some of the more common reasons that these lip sores breakout.