Tramadol on the banned substances list as of 2016 season: http://www.cyclingweekly.co.uk/news/latest-news/tramadol-set-to-be-banned-by-wada-and-mpcc-in-2016-196233
So it should be has some odd side effects
@Nik68 started
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Tramadol on the banned substances list as of 2016 season: http://www.cyclingweekly.co.uk/news/latest-news/tramadol-set-to-be-banned-by-wada-and-mpcc-in-2016-196233