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Related Experiment Videos

Methylphenidate and dextroamphetamine-induced peripheral vasculopathy.

Reema H Syed1, Terry L Moore

  • 1Division of Rheumatology, Saint Louis University Medical Center, Saint Louis, Missouri 63104, USA.

Journal of Clinical Rheumatology : Practical Reports on Rheumatic & Musculoskeletal Diseases
|April 24, 2008
PubMed
Summary
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Attention deficit hyperactivity disorder (ADHD) medications like methylphenidate and dextroamphetamine may cause vascular issues. These stimulants are linked to acral cyanosis, livedo reticularis, and Raynaud phenomenon in some children.

Area of Science:

  • Vascular medicine
  • Pediatric pharmacology
  • Dermatology

Background:

  • Methylphenidate and dextroamphetamine are common central nervous system stimulants for ADHD.
  • These medications have known associations with serious vascular conditions like arteritis and vasculitis.

Observation:

  • Four pediatric patients presented with symptoms of acral cyanosis, livedo reticularis, or Raynaud phenomenon.
  • Two patients were on methylphenidate, and two were on dextroamphetamine.

Findings:

  • Two patients showed positive antinuclear antibodies (ANA), with one exhibiting skin biopsy evidence of stratum malpighi necrosis and perivascular lymphocytic infiltration.
  • Two patients had positive antihistone antibodies.
  • Symptom improvement was noted in one patient after dextroamphetamine withdrawal, while others experienced worsening symptoms with increased medication dosage.

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Implications:

  • These cases suggest a potential link between methylphenidate and dextroamphetamine and the development of peripheral vascular symptoms.
  • The findings indicate these ADHD medications may contribute to vasculopathy in susceptible individuals.
  • Further investigation into the mechanisms of stimulant-induced vasculopathy is warranted.