Talk to Pulmonologist / Lung on Allergy

I am having severe allergy.i m allergic to dust but from october i m having severe allergy.only sneezing continiously 24/7.tried e.n.t drs but it didnt cure.the tablets which i used are rigix Montige M0xige Jardi Mytek Atara They are given by diffrent drs but n0ne 0f them works for me.except atarax when i take atarax i feel comfortable for 2 3 days .and when i left it after that day next day sneezing again start.what to do