Eucalyptus is a natural insecticide grown to drain swamps and helps reduce the risk of malaria. Eucalyptus essential oil is steam-distilled from the leaves and used as an antiseptic and for deodorizing. It is an active ingredient in mosquito repellents. Eucalyptus leaf is used for infections, fever, upset stomach and to help loosen phlegm in lungs and for coughs. It also treats respiratory tract i... Read more »