Allergies rhinitis. Ecg done all normal.

Sir/Ma'am I have suffer allergies rhinitis last from 3 month but still not cured. I already consult 2 doctor first doctor give me Montemac fx for 20 days after taken I consult doctor in 2 month he should given Alerfix total tablet daily for one month It already 15 days go but still not cured from nasal congestion, throat irritation and headache also bodyaches but I tested Covid-19 test in 10th May result come negative but my doctor told if it is not cured then go for CT PNR TEST but in now days all the medical doctor and worker are come out Covid-19 positive also recent case my colleague also come out Positive after consulting a ENT doctors in hospital so it's not safe to go hospital now days bdw am not contact with my colleague i just heard about this incident. So how can cured from this disease because I suffer a lot of problems in daily life because of this nasal congestion, sore throat, headache and Bodyaches also feel shortness breathing but saturation & xray ecg done all normal.