His manager James Erskine confirmed his release.
“It looks as though the infections have cleared up. It can always re-infect as it’s done twice before but we are hopeful,” he told AAP.
In February, Thorpe was found by police at his parent’s apartment in a disorientated state, trying to break into a van after taking a combination of antidepressants and medication for a shoulder injury.
He won five Olympic gold medals, including three at Sydney in 2000.
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