My grandson has a bright red patch on his hard palate and aphthous ulcers on the mucosa. Both are very painful and occurred after a brief period of viral symptoms--headache, general aching, but overall symptoms have improved while oral symptoms have persisted.
Hello there, Welcome to Chat Doctor, Appearance of recurrent ulcers on the oral mucosa like palatal mucosa indicates inflammation. It may be caused due to several reasons like deficiency or certain vitamins especially vitamin B12 and vitamin C. start with multivitamin supplements for 7 to 10 days and vitamin C lozenges will help in resolving the problem. Avoid alcohol, carbonated Chat Doctor.  Apply oral antiseptic, analgesic ointments like denote or mucosal topically over the affected area. Maintain good oral hygiene and