onion, is a kind of plant that is known by many people as a spice in various parts of the world. This onion comes from Pakistan, Iran, and the mountains to the north.
Although generally onion is often used as an ingredient in cooking spices, but in fact onion is also efficacious to serve as a traditional medicine. Onion contains alliin and antiseptic compounds.
One of them is able to treat swelling due to gout disease. Red onion is known to overcome the pain of the joints due to uric acid naturally. For the way of processing itself, that's more benefit than onion.