Darkening of the skin in phlebitis is usually reversible.
Phlebitis refers to inflammation or thrombosis of superficial or deep veins; if the inflammation is intense, it will increase leukocyte infiltration, and the vascular permeability will change to some extent; red blood cell exudation will gradually become more and more, and the deep red blood cells are phagocytosed by the white blood cells to be decomposed, which will produce brown iron-containing hemosiderin to be deposited in the skin, resulting in the darkening of the skin.
Usually, when the inflammation is controlled, the exudation of erythrocytes will be relatively reduced, and the production of ferritin will also be reduced; and the substances originally deposited under the skin will be reabsorbed, and the darkening of the skin will be recovered slowly.
If a patient is diagnosed with phlebitis, early and standardized treatment is recommended to reduce the adverse effects of the disease.