COLORADO: USA Swimming suspended Michael Phelps from competition for three months on Thursday.
USA Swimming also cut off its financial support to Phelps for the same three-month period.
Phelps won a record eight gold medals in Beijing and returned to America as one of the world's most acclaimed athletes.
Phelps had been planning to compete in early March at a Grand Prix in Austin, Texas. Now, he won't be able to allowed to compete until early May, which would give him just over two months to get in some racing before July's world championships in Rome.