<s>[INST] The inside of my lips, and under my tongue is red and raw. Even the back sides of my tongue are starting to feel swollen and sore. Any idea what this could be? It s been about 3 days now. I am 31, female with no other issues. My kids have mild colds right now. [/INST] Hello and thanks for consulting HCM.It can be due to me some infection.some times upper respiratory tract infection can also have these symptoms.minor cough and cold can cause mouth problems like sore tongue and lips.if i were your treating doctor i would advice you to 1. maintain a good oral hygiene2. rinse mouth with a antiseptic mouthwash3. take vitamin supplements like nutrolin B plus for 15 days normal cold goes away after 5 - 7 days.so you dont have to panic.wait for some time it will be allright.Hope this answers your queryRegardsDr. Shesh </s>