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药理毒理:本药是体内合成去甲肾上腺素、多巴胺等的前身物质,通过血脑屏障进入中枢,经多巴脱羧酶转化成DA而发挥作用,改善肌强直和运动迟缓效果明显,持续用药对震颤、流涎、姿势不稳及吞咽困难有效。
Pharmacology and Toxicology: The drug is the body synthesis of norepinephrine, dopamine and other precursors, through the blood-brain barrier into the center, the dopa decarboxylase into DA and play a role in improving muscle rigidity and motor retardation effect is obvious, continuous medication Tremor, salivation, postural instability and difficulty swallowing effective.