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: Introduction. Melena: Black, tarry stools with an offensive odour caused by an upper gastrointestinal bleed. See detailed information below for a list of 103 causes of Melena, Symptom Checker, including diseases and drug side effect causes.Â» Review Causes of Melena: Causes | Symptom Checker Â».elena: Black, tarry stools with an offensive odour caused by an upper gastrointestinal bleed. See detailed information below for a list of 103 causes of Melena, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Melena: Causes | Symptom Checker Â».