Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 11/17/2025

Management of Mania in Adults with Intellectual Developmental Disorder

Initial Pharmacological Management

  • The American Academy of Child and Adolescent Psychiatry recommends starting with FDA-approved agents for bipolar disorder in adults, such as lithium, valproate, or atypical antipsychotics, for the management of mania in adults with intellectual developmental disorder 1
  • Alternative first-line options include aripiprazole, olanzapine, risperidone, quetiapine, or ziprasidone, all approved for acute mania in adults, with consideration of family history of treatment response and avoidance of unnecessary polypharmacy 1

Critical Assessment of Contributing Factors

  • The American Academy of Child and Adolescent Psychiatry suggests assessing for common sources of pain, such as ear infections, headaches, menstrual issues, injuries, constipation, gastroesophageal reflux, and dental problems, as individuals with limited language may express physical discomfort through behavioral changes 2
  • Evaluation for seizure disorders, particularly post-ictal symptoms including dysphoria and irritability, is crucial, as individuals with intellectual developmental disorder have increased seizure risk 2
  • Review of all current medications for psychiatric or behavioral side effects, especially stimulants, muscle relaxants, antiepileptics, and centrally acting antiemetics, is necessary 3

Diagnostic Considerations Specific to Intellectual Developmental Disorder

  • The American Academy of Child and Adolescent Psychiatry advises against attributing all behavioral symptoms to intellectual developmental disorder itself, as psychiatric disorders occur at least three times more often in individuals with intellectual developmental disorder than in typically developing individuals 5
  • Recognition of atypical presentations of psychiatric illness, such as mania manifesting through aggression, self-injurious behavior, or physical complaints, is essential 5

Multimodal Treatment Approach

  • Ensuring adequate communication systems across all settings is vital, as limited communication ability can frustrate individuals and exacerbate psychiatric symptoms 3
  • Optimization of environmental demands to match cognitive abilities through consultation with occupational therapy, speech-language pathology, and social work is recommended 3
  • Tracking response using standardized measures that can be repeated over time to document changes from baseline is necessary for monitoring and follow-up 6

Common Pitfalls to Avoid

  • The American Academy of Child and Adolescent Psychiatry warns against assuming behavioral symptoms are "just the intellectual developmental disorder," as this diagnostic overshadowing delays appropriate psychiatric treatment 4
  • Overlooking medical causes of behavioral change, particularly pain, is a common pitfall, and using antidepressants as monotherapy for bipolar disorder can destabilize mood or precipitate mania 1, 2