Aphthous ulcers are among the most common oral lesions ... RAU is classified as minor, major, and herpetiform on the basis of ulcer size and number. The cause of RAU is idiopathic in most patients.

Major mouth ulcers, on the other hand ... nose and throat (ENT) physician if aphthous ulcers appear elsewhere on your body, or if you have other symptoms like a fever, swollen lymph glands ...

However, evidence of successful use of these agents for aphthous ulcers is primarily ... in many patients who had complete healing of ulcers. The major adverse effects associated with levamisole ...