In traditional Chinese medicine, cuttlefish bone has salty and warm properties, and is associated with the Kidney, Liver and Stomach meridians. Its functions are to stop bleeding, harmonize the stomach and improve kidney deficiency. Internally, it is taken to help stop bleeding of the uterus, enuresis and premature ejaculation. Some patients with stomach problems may take it to combat acid reflux disease and some intestinal disorders. Topically, cuttlefish bone can be used as a poultice to treat skin rashes, ulcers and lesions.