Castor oil effectively treats ringworm (4), a common and stubborn skin problem across all age groups. The active compound called undecylenic acid, found in castor oil, helps treat ringworm successfully. Here is a step-by-step guide to its use. 1  Dilute 2 teaspoons of castor oil in 4 teaspoons of coconut oil.2  Alternatively, you can wash castor leaves in water and soak them in coconut oil for few hours, and then heat gently. 3  Apply over the affected area and cover with a cotton cloth.ere is a step-by-step guide to its use. 1  Dilute 2 teaspoons of castor oil in 4 teaspoons of coconut oil. 2  Alternatively, you can wash castor leaves in water and soak them in coconut oil for few hours, and then heat gently. 3  Apply over the affected area and cover with a cotton cloth.
In medicine, melena or melaena melÃ¦na refers to the black tarry feces that are associated with upper gastrointestinal. bleedingelena is often a medical emergency as it arises from a significant amount of bleeding. Urgent care is required to rule out serious causes and prevent potentially life-threatening emergencies.
Melena, in dogs, is the presence of digested blood in the feces and makes the stools appear black and tarry. Melena is different from fresh blood in the stool (hematochezia).Melena may represent a severe, life-threatening illness, and should not be ignored. It must especially be addressed if it persists or worsens.elena develops when bleeding occurs into the stomach or small intestines. The bleeding must be high in the intestinal tract in order for the blood to be digested and become discolored. Bleeding into the colon or rectum (hematochezia) appears as fresh blood in the stool.