Allergies rhinitis. Don't do repeat it?

Sir I have suffered allergies rhinitis last 3month but still not cured how to cured specially throat irritation, dry cough & nasal congestion occurs last 3 month many medicine taken & consultant ENT specialist 2 times but still not cured it create more irritable plz help already taken the Montemac fx for 20 days after that now I taken Alerfix total tablet last 15 days but still not cured last 2 month I used nasal spray. But this medicine doesn't affected me health condition very much plz help me I feel iam suffer corona so one month ago I test but report cames negative but still i am not cured I think I should test for 2nd time but doctor denied to tested me because am already done one & govt criteria said don't do repeat it ??