The mechanisms of anti-vertigo and anti-vomiting effects of phenergan is unkown.It is assumed that the effects are based on the anti-coline effect of phenergan.
非那根抗眩晕和呕吐的机理尚不明了，推测
能是由于其抗胆碱作用。
]
The mechanisms of anti-vertigo and anti-vomiting effects of phenergan is unkown.It is assumed that the effects are based on the anti-coline effect of phenergan.
非那根抗眩晕和呕吐的机理尚不明了，推测能是由于其抗胆碱作用。
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