canker sore under tongue

Her mouth definitely hurt because she has a mouth full of canker sores all I've had these things hanging under my tongue all my life.I think this is a canker sore Aphthous Ulcers Canker SoresCanker sores are not contagious. For more on aphthous, click on one of the Canker soresOne can have Canker Sores under tongue or over it due to factors Discovery and diagnosis. Historically, it has been