During the 2011 CONCACAF Gold Cup, Bermúdez, and four other members of the Mexican National Team, tested positive for the banned substance of Clenbuterol and were withdrawn from the team's tournament squad.
During the 2011 CONCACAF Gold Cup, Dueñas, and four other members of the Mexican National Team, tested positive for the banned substance of Clenbuterol and were withdrawn from the team's tournament squad.
During the 2011 CONCACAF Gold Cup, Rodríguez, and four other members of the Mexican national team, tested positive for the banned substance of Clenbuterol and were withdrawn from the team's tournament squad.
During the 2011 CONCACAF Gold Cup, Ochoa, along with four other members of the Mexico national team, tested positive for the banned substance Clenbuterol and were withdrawn from the team's tournament squad.
His urine test was confirmed to have tested positive for the steroid Clenbuterol.
On May 10th, 2010 she was banned for two years by the International Judo Federation because of Clenbuterol doping and was required to give back her gold medal from the World Championships of 2009.
In July 2008, Olympic swimmer Jessica Hardy tested positive for the banned breathing enhancer, clenbuterol.