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Methylphenidate-induced mania-like symptoms

Kaustav Chakraborty1, Sandeep Grover

  • 1Department of Psychiatry, Institute of Neurosciences, Kolkata, 185/1, A.J.C. Bose Road, Kolkata - 700 017; India.

Indian Journal of Pharmacology
|April 2, 2011
PubMed

Insights

Methylphenidate can cause mania in children with attention deficit hyperactivity disorder (ADHD) and mental retardation. Caution is advised when prescribing this medication for comorbid conditions.

Area of Science:

  • Child and Adolescent Psychiatry
  • Neurodevelopmental Disorders
  • Psychopharmacology

Background:

  • Methylphenidate is a common treatment for attention deficit hyperactivity disorder (ADHD).
  • While known to cause psychosis or mania in a small subset of patients, its safety in comorbid ADHD and mental retardation is not well-documented.
  • Adverse effects typically resolve upon discontinuation of the medication.

Purpose of the Study:

  • To report a case of mania-like symptoms in a child with comorbid ADHD and mental retardation treated with methylphenidate.
  • To highlight the need for caution when prescribing methylphenidate in this specific patient population.

Main Methods:

  • Case report of an 11-year-old girl with ADHD and mental retardation.
  • Description of methylphenidate treatment and subsequent development of mania-like symptoms.
  • Documentation of inpatient treatment and psychopharmacological intervention.

Main Results:

  • The patient developed mania-like symptoms requiring inpatient care.
  • Symptoms persisted for over 3 days, necessitating treatment with sodium valproate and olanzapine.
  • This indicates a potential for severe adverse effects in comorbid cases.

Conclusions:

  • Methylphenidate treatment requires careful consideration in patients with comorbid ADHD and mental retardation.
  • Healthcare providers should exercise caution and monitor closely for adverse psychiatric effects.
  • Further research is needed to establish safety guidelines for methylphenidate in this population.
Keywords:
Adverse drug effectMethylphenidateattention deficit hyperactivity disordermental retardationpsychosis/mania

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