Patent ID: 9550073
Date: 2017-01-24
CPC Classifications: A61K,A61N,A61P,F04C

Claim:
1. A method of treating allergic rhinitis comprising the following sequential steps (a) to (d); (a) administering to a patient in need of treatment for allergic rhinitis a medicine comprising 5-aminolevulinic acid (ALA), an ester derivative thereof, or a salt thereof; (b) accumulating PpIX (protoporphyrin IX) induced from 5-aminolevulinic acid (ALA), an ester into cells of an inflamed site of the nasal mucosa of the patient caused by allergic rhinitis; (c) irradiating the inflamed site of the nasal mucosa of the patient caused by allergic rhinitis with a light having a wavelength of 400 nm to 700 nm to excite the PpIX; and (d) providing a therapeutic effect against allergic rhinitis via singlet oxygen generated by the excited PpIX.