What is Aphthous Ulcer?
Aphthous Ulcer meaning Synonym(s): Canker SoreAn open sore that develops on parts of the mouth (inner surface of the cheeks and lips, tongue, soft palate, or base of the gums). Although aphthous ulcers are non-contagious and non-life-threatening, they can be very painful. Aphthous ulcers are more common and more likely to reoccur in people with HIV than in people without HIV.
reference: AIDSinfo – GlossaryWhat is