New prescription drug for aphthous ulcers or canker sores

    You'll hear about a new prescription drug for aphthous ulcers or canker sores.

    It's called Aphthasol (amlexanox oral paste)...from Block Drug. It's being launched now in the U.S...and is expected later in Canada.

    Aphthous ulcers are thought to be caused by an autoimmune reaction...not by herpes, like fever blisters or cold sores.

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