What Is The Remedy For Throat Pain?

Hi I am 26 year old female my problem is my throat I have been having throat pain for 2, months now only on me left side of my throat it does hurt when I swollow on that side I don't have any other symtoms I just have to clear my throat a lot another thing I do smoke only at night 2 To 3 ciggerets I don't smoke at all during the day just before I go to bed . I did go the ER they ran a test I don't remember what it was called but it did involve them injecting some sort of dye in me that made me feel host inside and a sensation like I need to pee also with that at the same time they put me threw a big machine I think it was ct scan of my whole body .results came back normal also my blood work was fine do you think something is wrong with me .