Suggest Permanent Remedy For Running Nose & Sneezing

Hi doctor from last six months i feeling with running nose and sneezing.i already consult with 2 ENT Specalist in Hyderabad and vijayawada they advised me to take some allergy tablates like levorid cipla those tablets i have to take regurally(1/day) if i forgot to take one day i have to suffer a lot.this was happening from past six months can i have any permanent solution for this.