United States v. Rodrigo de Medeiros Siqueira

Docket Number: 1:25-mj-08522 / 1:25-cr-10456

Case Description

Rodrigo de Medeiros Siqueira, 33, of Quincy, has been charged and has agreed to plead guilty to allegedly injecting clients of his business, Rodrigo Beauty Inc., with unapproved botulinum toxin obtained from illegitimate sources outside the United States, resulting in numerous severe cases of botulism.

According to the charging documents, beginning in or around August 2022, Medeiros Siqueira offered various cosmetic injection procedures, including the injection of botulinum toxin prescription drugs, to clients of Rodrigo Beauty, despite not being licensed to prescribe, dispense, or administer prescription drugs or perform injections. It is alleged that Medeiros Siqueira falsely represented to clients that he was a licensed medical professional authorized to perform injections and made false statements to clients regarding the identity and source of the botulinum toxin products he was using for their injection procedures. Beginning in or around late May 2025, numerous Rodrigo Beauty clients were diagnosed with botulism, allegedly as a result of injections Medeiros Siqueira performed using unapproved botulinum toxin.

The details contained in the charging documents are allegations. The defendant is presumed innocent unless and until proven guilty beyond a reasonable doubt in a court of law.

Case Status

• 10/10/2025 - Rodrigo De Medeiros Siqueira was charged by criminal complaint.
• 10/14/2025 - Rodrigo De Medeiros Siqueira was arrested and subsequently released on conditions.
• 12/11/2025 - Rodrigo De Medeiros Siqueira agreed to plead guilty to an Information.

Documents

• Press Release
• Criminal Complaint
• Information
• Plea Agreement

Potential Victims

If you or a family member believe you received services involving illegal injections and/or unapproved drugs or devices from Medeiros Siqueira or Rodrigo Beauty, please complete the questionnaire located on the FDA’s website at: https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/criminal-investigations/oci-vw-assistance-rodrigo-beauty.

Information about the status of this criminal case is located on the United States Attorney’s Office website at the Case Updates page.