21. However, he tested positive for Probenecid in a urine sample provided on 27 January 2011. 22. Upton faces a three-month suspension for taking the banned drug Probenecid on Feb . 14. 23. The Courier-Mail newspaper in Brisbane reported Tuesday that Tune was prescribed penicillin and then probenecid . 24. Probenecid works as the opposite of a diuretic, and is often used in tandem with antibiotics,25. In 2011 Lombaard was suspended for 1 year after he failed a drug test for probenecid doping. 26. But the International Rugby Board outlaws probenecid because it can be used as a masking agent for steroids. 27. He said he has prescribed probenecid for more than 30 years, including in his native South Africa. 28. Probenecid is not banned by two other professional sports in Australia _ rugby league and Australian Rules football.29. The substance was probenecid , a medicine for the kidney and also a masking agent for anabolic steroids. 30. His career suffered a major setback in 2002 when he tested positive for the banned masking agent probenecid .
