Recurrent aphthous stomatitis (RAS) is usually episodic and self-limiting but can produce severe ulcers that interfere with eating speaking and swallowing.  Minor RAS  (MiRAS) is the most common form.  The aim of this trial was to investigate the efficacy and safety of berberine (an isoquinoline alkaloid originally isolated from medicinal herbs) in the treatment of … Continue reading Study shows that berberine had a positive effect on recurrent aphthous ulceration