The tennis star, 28, has revealed that she tested positive for meldonium, which she has been taking for health issues for a decade.
Longtime sponsor Nike has suspended its relationship with Sharapova, while the International Tennis Federation says she will be provisionally suspended from March 12.
Watch company Tag Heuer has cut ties with the athlete and Porsche has said it is “postponing planned activities” with her.
Here is a look at her impressive career, worth and background.
Who is Maria Sharapova?
The famous Russian tennis player is a former world number one and remains seventh in the world, according to the Women’s Tennis Association (WTA).
Sharapova, who lives in the Florida, has five Grand Slam five titles from wins at the French Open, Australian Open, Wimbledon and the US Open.
The tennis star won a silver Olympic medal for Russia in women’s singles after losing to Serena Williams in the final during the London Olympics in 2012.
How much is Maria Sharapova worth?
Sharapova earned $30 million last year and was world’s 26th highest paid athlete in 2015, according to Forbes.
Her prize money from tennis championships came to $6.7 million and her endorsements brought in $23 million that year.
Sharapova has been the world’s highest paid female athlete for over a decade thanks to modeling and advertising deals.