US Open: The spray that caused Jannik Sinner's failed drug tests has 'DOPING' warning

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A pack of Trofodermin, a medical product meant for treating cuts and scrapes, which contains the anabolic steroid Clostebol, a substance listed in the World Anti-Doping Association's banned substances, is seen on the counter of a pharmacy in Rome, Wednesday, Sept. 4, 2024. (AP Photo/Andrew Dampf)