the alpha-adrenolytic phentolamine ( 2 mg/kg ) and the myotropic spasmolytic euphylline ( 8 mg/kg ) remove the hypersensitivity of the bronchi to serotonin 20 min after adrenaline administration and potentiate its protective effect in serotonin bronchospasm after administering the beta-adrenoblocker obsidan .
C0014563
adrenaline
C0006266
bronchospasm