Patient: Allergic rhinitis for 6 years, once a day with a spray, or else sneeze and runny nose. Hospital Chinese medicine department: If there is a physician who can answer the question: how long to take medicine to eradicate allergic rhinitis. I believe that there would be no more allergic rhinitis patients in this world. The treatment of this disease generally only talks about control, not eradication. If you can control it for a lifetime without recurrence, it is equivalent to eradication. But it is very difficult to achieve this goal and no one can predict this outcome before treatment. In the process of treatment, work towards the highest goal. In most cases, allergic rhinitis can be controlled.