This is generally due to violence, blows, or to constitutional disturbance, like rheumatism or scrofula. Symptoms are pain, heat and swelling of the skin at the affected part, also lameness. Very essential in such cases is rest, combined with hot fomentations to the part and a dose of aperient medicine; when due to rheumatism, the systemic treatment recommended under Rheumatism, should, be adopted; and should there be an enlargement left after the acute inflammation has subsided, the part should be painted daily with tincture of iodine, unless soreness is produced, when this treatment should cease for a day or two.