Steroids are hormones that occur naturally in the body. Steroid medicines are man-made and are similar to the natural hormones made in the body. Reversing enlargement of blood vessels in the area they are applied to. They cause a narrowing of the blood vessels. Topical steroids are used for various https://vuf.minagricultura.gov.co/Lists/Informacin%20Servicios%20Web/DispForm.aspx?ID=9595149