Echinacea: Echinacea is one of the primary remedies for helping the body rid itself of microbial infections. It is often effective against both bacterial and viral attacks, and maybe used in conditions such as boils and infections. It seems to prevent infection and repair tissue damaged by the infection, it is also thought to boost the immune system. Echinacea is frequently taken for cold or flu symptoms and has an anti-itching and soothing property when used in skin-care products.