It antidiarrheal , antiinflammatory , bactericidal. In the form of infusions used for the weakness of the intestines , expectorant for coughs, helps in hypertension and atherosclerosis . The essential oil of oregano ( origanelaio ) used for toothache . Oregano has 12 times more antioxidant activity than oranges , 30 of potatoes and 42 from the apple. Also with a little oregano to feed your birds keep illness away .. [ 2] Another main use is in chronic rheumatism . The ancient Greeks knew its therapeutic value and used drinking tea in colic and externally in swelling and the crick . [1 ]