135. ANTAGONISTS AND POTENTIATORS OF DRUGS ACTING ON THE BRONCHI (Continued) 



Part IV: ERGOT DERIVATIVES 



Drugs are listed alphabetically. C = constricts, D = dilates, A = antagonizes active drug effect, I = inactive 

 (i.e., without influence on effect of active drug), P = potentiates active drug effect. Parentheses in Columns F and 

 H indicate action is slight, irregular, or doubtful, and the original literature should be consulted. 



/I/ Contains ergocornine, plus small amounts of ergokryptine and ergocristine. 



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