What is this ‘herbal antagonism’?

Does it mean using more herbs makes for a better medicine?
October 15, 2018
What is Botany Bay Herbs’ philosophy behind its medicines?
October 15, 2018

In medical literature there are few reports which point out that like herbal synergy, there also exists herbal antagonism that means incompatibility of two or more herbs. One example is- Clove (laung) and Curcumin (a phytochemical in turmeric)  don’t go well together.