I have throt rash , cough and mild

Dear Sir/ Madam I have throt rash and cough with breathlessness,I am facing this problem for last two year in the same season...This time on 12 th march 2020 i again approached doctor with light cough and breathlessness symptoms :doctor prescribed few medicines :few blood tests done report found normal ,allergy test also normal,ECG Normal,Tryglicerides on higher side 240 Rosuvstat 10days montelukast 5mg at night daily 10 days Od 300 -od 10days AZYTHROMYCIN 500MG -03 DAYS FEW DAYS WENT WELL,COUGH TOTALLY DISAPPERED But since yesterday again breathlessness and cough...had cough syrup and started motelukast 5mg and OD 300 again...feel better but noticed rash in throat..me seems ...i need proper antibiotic...which he forgot to give ,need your advice...pls advice Regards Satya