 Others argue that there is no available evidence that demonstrates that any of these organisms are capable of causing aphthous stomatitis by themselves . Some people with aphthous stomatitis may show herpes virus within the epithelium of the mucosa , but without any productive infection . In some persons , attacks of ulceration occur at the same time as asymptomatic viral shedding and elevated viral titres . However , antiviral medication has no effect on aphthous stomatitis . 
