Maria Sharapova has denied reports suggesting she was warned five times about meldonium before testing positive to the drug.
The Russian tested positive to the substance, added to the World Anti-Doping Agency (WADA) prohibited list at the start of the year, at the Australian Open and faces a ban.
Reports had suggested Sharapova, a five-time grand-slam champion, ignored multiple warnings about the drug's addition. In a Facebook post on Friday, the 28-year-old labeled such reports exaggerated.
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"A report said that I had been warned five times about the upcoming ban on the medicine I was taking.