Inhibits the enzyme cyclo - oxygenase & reduces the formation of porstaglandins ..
Drotaverine also acts as an antagonist at prostaglandÃÂ receptor sites ..
MEFENAMIC ACIDÃÂ
ReducesÃÂ uterine contraction by more than 60% ..
Exerts dual antiprostaglandin activity gives prompt relief from painful contraction ..
Causes repaid reduction of resting & contraction intr - uterine pressure ..