A number of levodopa related conditions are described in patients with idiopathic parkinsons disease, of which yo-yo-ing is a very rare and difficult to treat entity. Yo-yo-ing is the extreme form of alternating offs and dyskinesias resulting from the the prolonged use of high dose of levododpa, where in, patient is more troubled by offs than dyskinesias. The term yo-yo-ing denotes frequent ups an..