get happy. get geico. ...used almost everywhere on almost everybody. like the arm of an angel. or the leg of this little guy. for ages 2 and up, prescription eucrisa works at and below the surface of the skin. it blocks overactive pde4 enzymes which is believed to reduce inflammation. and it's steroid-free. do not use if you are allergic to eucrisa or its ingredients. allergic reactions may occur at or near the application site. the most common side effect is application site pain. ask your doctor about eucrisa.