Yes, this has happened several times. The latest was Rashid Ramzi of Bahrain who won gold in men's 1500 meter run at the 2008 Games in Beijing and had his medal taken away in November, 2009 due to testing positive for blood doping.
The International Olympic Committee has the power to do 'retroactive' blood tests to check for doping/drugs as new procedures for testing are created and Ramzi's blood sample tested positive for a blood doping substance.
Viktor Ahn, who was an athlete from Russia, won the most medals at the Sochi 2014 Winter Olympics, with 4 medals.
43%
isn't it Micheal phelps with 8 medals
Michael Phelps is this man. He won 8 gold medals in the Beijing Olympics.
Micheal Phillips
a famous athlete in Britain who won many medals in the Olympics
Michael Phelps.
ryan hughes
Coz they want medals and have fun. Answered by an athlete.
carl lewis
There are five Australian athletes who have competed in the Olympics more than four times. They are Andrew Hoy, who has won four medals in Equestrian; Colin Coates, a retired speed skater with no medals; Colin Beashel, a retired sailing athlete with one medal; Russel Mark, a shooting athlete with two medals, and James Tomkins, a retired rowing athlete with four medals.
Yes. Her 18 Olympic medals is the most an athlete has won in the history of the modern Olympics.