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.
Black, Tarry, foul smelling Stools. the black colour can indicate the presence of blood in the stool. Bloody stools are often a sign of an injury in the digestive tract. The term melena is often used to describe black, tarry, and foul smelling stools. Blood in the stool may come from anywhere along your digestive tract, from mouth to the anus.