BRONCHODILATOR EFFECT OF ALCOHOLIC EXTRACT OF Euphorbia hirta linn.

The bronchodilator effect of alcoholic extract of Euphorbia hirta Linn was evaluated at different doses (50,100 and 200mg/kg,p.o), using histamine aerosol test model. A dose dependent bronchodilator effect was observed in E. hirta pretreated animals. The extract of E. hirta at a dose of 200mg/kg was found to be more effective in histamine induced broncho constriction and a significant (p<0.001) effect was observed.