What are the effects and contraindications of agrimony?

Agrimonia has good astringent hemostatic effect, can be used to treat bleeding symptoms. Agrimonia also has the effect of stopping malaria, can treat malaria cold and heat. Agrimonia can also astringe diarrhea, tonic deficiency, used to treat chronic diarrhea and blood diarrhea. But constitution deficiency cold, weak, allergic to Agrimonia people, can not use Agrimonia.