I have had a sore tongue , sore gums and a pain under my chin for 4 days. Gums and tongue are unusually red and sensitive.
Hi This kind of symptoms can be seen in high fever are in case if you're under any medication ? Some Chat Doctor.  And if u had any tonsils which are infected will lead to fever and pain under your chin as u said. Please consult ENT specialist to diagnose the proper cause. And take needful antibiotics and painkiller in combination with paracetamol will give u good relief. In case of tonsillitis PA take mention 625 mg for twice daily for five days.  Take care