肾上腺素一种肾上腺素的药剂，c9h 13 no2，它是一种很强的血管收缩剂，可用于麻醉过程中减轻鼻充血、扩大瞳孔和稳定血压。
An adrenergic drug, C9H13NO2, that is a powerful vasoconstrictor and is used to relieve nasal congestion, dilate the pupils, and maintain blood pressure during anesthesia.
使用滴鼻剂可以使鼻腔分泌物减少、充血减轻，咽鼓管的肿胀、阻塞也会减轻。
Use nasal drops can reduce nasal secretions, relieve congestion, swelling of the eustachian tube, blocking will be reduced.
光镜显示，NRQ可减轻发热家兔肺、肾、肝血管扩张充血、淤血病理形态的改变。
NRQ reduced the pathology of congestion of lungs, liver and renal in febrile rabbits.
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