The antipsychotic drug fluphenazine has a prolonged period of action when it is given by intramuscular injection, but not when it is given by intravenous injection.Suggest why this is the case.
精神抑制药氟奋乃定，采用肌肉注射的话会有
段延迟的反应期，但是采用静脉注射却没有，说
为什么会出现这
情况。
,羟哌氟丙(
安定药)The antipsychotic drug fluphenazine has a prolonged period of action when it is given by intramuscular injection, but not when it is given by intravenous injection.Suggest why this is the case.
精神抑制药氟奋乃定，采用肌肉注射的话会有段延迟的反应期，但是采用静脉注射却没有，说为什么会出现这情况。
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