There are two methods of testing for Eucalyptus allergy. The first kind of test is performed on a sample of skin to measure the level of Allergic Skin Reaction in the skin. Whereas, the other Allergy Eucalyptus test is performed on a sample of blood to measure the level of IgE Antibodies in the blood. Both of these tests are performed to confirm Eucalyptus Allergy and also during the treatment and after the treatment of Eucalyptus Allergy.