Actually i got this issue way back in 2016 with a cold , my cold symptoms were gone but throat swelling is still on, i have been went to almost 10 ent specialist but none helped, treated for acidic relfux, allergy, anitboitics nothing worked at all, had DNS surgery every possible test all were normal.i dont have fever or pain its just like swelling and raw feeling in throat though i can eat and drink properly any suggestion will be helpful