Do not use with CNS stimulants like caffein, like phenylalanine because the ingredient of yan hu suo, d1-tetrahydropalmatine possesses sedative effect and can mitigate the effect of the stimulants.

• 不宜与咖啡因等、苯丙胺中枢兴奋剂同用延胡索乙素具有中枢抑制作用，会降低西药中枢兴奋剂的药效。