According to BBC News, there is one person who had used this drug continuously for eighteen months and had even started consuming it more than once every week towards the latter part. He was then admitted into a psychiatric unit as he had begun experiencing, excitability, agitation and hallucinations. There is no other information on the use of this drug in the long run as it has hardly been around. There was also a survey that was conucted by the Addiction Centre of the Untied Kingdom in which is was noticed that near 51 % who had used this drug said that they had begun suffering from severe headaches. There were close to 43 % people who said that they were suffering from heart palpitations and there were 27 % and 15 % that suffered from nausea and colds respectively.