Dr. Conrad Murray's medical license has been restricted from administering the drug Propofol in California and Texas.
The doctor, already been charged with involuntary manslaughter in the King of Pop's death, will not be able to use or administer propofol -- the same drug authorities say was responsible for killing Michael Jackson, the Associated Press reports.
Murray was working as Jackson's personal doctor. As previously discussed, the 58-year-old cardiologist was treating Jackson for insomnia when the singer died on June 25.
Murray has acknowledged administering propofol to Jackson. Propofol is an anesthetic used to render patients unconscious before major surgery.
The Associated Press reports that Murray told police he signed on with Jackson in May at $150,000 a month to keep Jackson healthy through his comeback tour.
As previously discussed, Attorney General Jerry Brown filed his petition with the Los Angeles County Superior Court on behalf of the California Medical Board to revoke Murray's license.
Earlier this month, Murray filed legal papers pleading with the judge to keep his licensure intact.
According to court papers, he is "hanging on by a thread" and desperately needed to continue practicing medicine in order to pay for his defense.
However, the order from the medical board does not prohibit Murray from prescribing or using other medications, including pain medication or anti-anxiety medication.
Murray is due in court on June 14 for a preliminary hearing. At the preliminary hearing, the judge will determine if there is enough evidence to require the doctor to stand trial.