The Medina or Horse Tonic as it is commonly called is used for a variety of complaints. It is said that drinking the tea promotes stamina in males.
Besides this, Medina is good for general health; it is commonly used in Jamaica to relieve back pain and gas. It is also thought that this herb can be used for hernia.
However, be reminded that this is Jamaican Folklore and Home Remedies, It is therefore advised that you consult with your doctor every time.