For the last few months I have been getting painful sores in my mouth, they are like lacerations or holes and they always appear under my tongue and sometimes inside my gums on my lower lip. No matter what the come stay for about a week sometimes 2, are gone for a week and pop right back up. When i first see them appearing I brush my teeth and rinse with mouthwash more often but it never helps, within a few days its so sore to eat chew swallow anything. Also I get a red rash under my tongue that feels like little cuts, and my lymph nodes are always swollen. PLEASE HELP!