Sore throat problem even covid -ve.

Recently 10days back our neighbours are effected with covid +ve, 4days after to that I'm facing problem of sore throat problem like something is there is throat, so I decided to test covid RT-Pcr to my family  and the test was did on 7th day of neighbours +ve result, me and my Family results came on 9th day which all  are covid -ve, today is 10th day to our neighbours I'm using Azithromycin 500mg from 7th day onwards feeling some what better but feeling like something is there in throat, from 1st day onwards till today except throat problem I'm not having any other problems headache, body pains, fever, cold&cough. For cross check covid RT-Pcr results again I gave a sample today for retest Please suggest any medicine for my throat problem along with that my lips are cracked.