All the allergic rhinitis,nasosinusitis and many chronic inflammatory diseases of otorhinolaryngology are the immune response that body immune mechanism aims at inbreaking heterogeneous ingredient.
The expression of interleukin-5 (IL-5) has been correlated with the maturation and differentiation of eosinophils, and is considered to be a cytokine responsible for allergic inflammation.
Conclusions: IPO has no irritability and allergia, least or no toxicity, but better functions of anti-inflammation, abirritation and detumescence as well as high safety in administration.