Levofloxacin spray compound can be timely and effective improvements in patient sore throat mucous membranes, congestion, cough, dry itching and other symptoms.

复方左氧氟沙星喷雾剂可以及时有效地改善患者咽喉部位黏膜肿痛、充血、咳嗽、干痒等各种症状。

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When mucous membranes dry out, they are far less effective at blocking infection.

WSJ: Where Germs Lurk on Planes