A patient receives a Botox injection at a clinic in...

A patient receives a Botox injection at a clinic in Arlington, Va., on June 5, 2009. On Tuesday, April 23, 2024, the Centers for Disease Control and Prevention issued a warning about counterfeit Botox injections after more than 20 people got sick. All of the people told health officials that they got the shots from unlicensed individuals or in settings like homes or spas. Credit: AP/Jacquelyn Martin

U.S. health officials issued a warning Tuesday about counterfeit Botox injections that have sickened 22 people.

Half of the individuals have ended up in the hospital, according to the Centers for Disease Control and Prevention. The agency issued an alert to doctors on Tuesday.

The cases started in early November and have been reported in 11 states. The CDC said the shots were administered by unlicensed or untrained individuals or in settings like homes or spas. Most of the people said they got injections of botulinum toxin for cosmetic reasons.

Six people were treated for suspected botulism, health officials said. When it gets into the bloodstream, botulinum toxin can cause botulism, a deadly disease that starts with double or blurred vision, drooping eyelids, slurred speech, difficulty swallowing and difficulty breathing.

Health officials said people should only get the injections from licensed professionals and report any suspected counterfeit products.

On the latest episode of "Sarra Sounds Off," Gregg talks with Michael Sicoli and Tess Ferguson about county champs crowned in boys and girls lacrosse, and Jared Valuzzi reports on the Long Island flag football championship. Credit: Newsday

Sarra Sounds Off Ep 36: Champs crowned in lax and flag football On the latest episode of "Sarra Sounds Off," Gregg talks with Michael Sicoli and Tess Ferguson about county champs crowned in boys and girls lacrosse, and Jared Valuzzi reports on the Long Island flag football championship.

On the latest episode of "Sarra Sounds Off," Gregg talks with Michael Sicoli and Tess Ferguson about county champs crowned in boys and girls lacrosse, and Jared Valuzzi reports on the Long Island flag football championship. Credit: Newsday

Sarra Sounds Off Ep 36: Champs crowned in lax and flag football On the latest episode of "Sarra Sounds Off," Gregg talks with Michael Sicoli and Tess Ferguson about county champs crowned in boys and girls lacrosse, and Jared Valuzzi reports on the Long Island flag football championship.

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