World 200m champion tested positive for a banned diuretic, something which is viewed as a masking agent by the World Anti-Doping Agency.
Diuretics, which promote the production of urine and are used to help high blood pressure, are banned because they can be used by athletes to hide other performance-enhancing substances.
“She has complained in the past that modern-day female athletes have been denied commercial opportunities because many women’s world records have been set by drug-tainted Eastern Europeans, and therefore beyond reach. Now she belongs in the same hall of shame.” said BBC Radio 5 live’s athletics correspondent Mike Costello.
She now faces a possible two-year suspension from athletics.