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Corticosteroid exposure was associated with catatonia in two adolescent girls with encephalitisCorticosteroids Linked to Catatonia in Two Teen Girls

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Key Takeaway
Note the risk of corticosteroid-induced catatonia in pediatric patients and ensure careful differential diagnosis.

This case report describes the clinical course of 2 adolescent girls diagnosed with encephalitis who received corticosteroid therapy. The report focuses on the development of catatonia following the administration of these steroids.

The authors report a temporal association between corticosteroid exposure and the onset of catatonia in 2/2 patients. Following the onset of symptoms, the patients showed a gradual improvement in baseline clinical status and a recovery of lost functional abilities.

The authors note that the findings are limited by the small sample size inherent to a case report. The evidence for a causal link between corticosteroids and catatonia is low due to the limited scope of the report.

Clinically, this case highlights the potential risk of corticosteroid-induced catatonia in pediatric patients. It emphasizes the necessity for careful differential diagnosis when managing pediatric patients with encephalitis who present with acute psychiatric or motor symptoms.

How this fits prior evidence

This case report addresses a gap in the literature regarding the potential for iatrogenic complications in pediatric patients. While other reports confirm that high-dose corticosteroids are preferred for triple-M syndrome, this case highlights a specific risk of corticosteroid-induced catatonia in adolescents. It does not relate to the findings regarding antenatal corticosteroids, systemic therapies in radiation-induced lung injury, or corticosteroid use in community-acquired pneumonia.

A new case report describes two adolescent girls who developed catatonia, a state of unresponsiveness and immobility, after receiving corticosteroid therapy. The report highlights a possible link between these commonly used anti-inflammatory drugs and a serious psychiatric reaction in young people.

The two girls, both treated with corticosteroids for encephalitis (brain inflammation), showed a clear pattern: their catatonia symptoms appeared after the steroid exposure. Over time, with medical care that included stopping or adjusting the steroids and using other treatments, both girls gradually improved and regained abilities they had lost.

This is a case report, meaning it describes just two patients. It cannot prove that corticosteroids caused the catatonia, only that the two events were linked in time. The findings are considered low certainty because of the very small number of cases. Still, the report serves as an important reminder for doctors to watch for this possible side effect in young patients receiving steroids.

For families and patients, the takeaway is not to panic but to be aware. If a child on corticosteroids shows sudden changes in behavior, movement, or responsiveness, it is worth mentioning to the healthcare team. This report does not change current treatment guidelines, but it adds to a growing awareness of steroid-related psychiatric effects in children.

What this means for you:
Corticosteroids may trigger catatonia in some children, but symptoms can improve with proper medical care.

Common questions

What is catatonia?

Catatonia is a state where a person stops responding normally. They may be unable to move, speak, or react, or they may have unusual movements. It can be caused by medical conditions, medications, or mental health issues. In this report, two girls developed catatonia after receiving corticosteroids.

Who is affected by corticosteroid-induced catatonia?

This report describes two adolescent girls who developed catatonia after corticosteroid treatment for encephalitis. It suggests that children and teens may be at risk for this rare side effect. However, because this is only a case report, we cannot know how common it is or if it affects all ages equally.

How is corticosteroid-induced catatonia treated?

In the two cases described, the girls gradually improved and regained lost abilities. Treatment likely involved adjusting or stopping the corticosteroid and using other medications, such as benzodiazepines or antipsychotics, to manage symptoms. Always consult a doctor for proper diagnosis and treatment.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedSep 2026
View Original Abstract ↓
BackgroundCatatonia is a transdiagnostic syndrome marked by motor, behavioral, and autonomic disturbances. Corticosteroids, commonly used to treat suspected neuroinflammatory conditions, may rarely precipitate or exacerbate psychiatric symptoms, including catatonia, in children and adolescents.MethodsWe describe two adolescent girls who developed catatonia following corticosteroid therapy for suspected encephalitis, despite negative cerebrospinal fluid and blood markers. Clinical courses, diagnostic workups, and therapeutic strategies (including benzodiazepines, antipsychotics, and immunomodulatory treatments) are detailed. A literature review of steroid-induced neuropsychiatric complications in pediatric populations was also performed.ResultsBoth patients experienced temporal association between corticosteroid exposure and onset of catatonia. Standard first-line treatments were insufficient, and stabilization required antipsychotic therapy, including clozapine. Gradual improvement in baseline clinical status and recovery of lost functional abilities were observed during follow-up. These cases underscore that corticosteroid-induced catatonia, though rare compared to steroid-related psychosis, can occur in adolescents and may complicate the differential diagnosis of neuropsychiatric syndromes.ConclusionsWhile corticosteroids remain essential for treating neuroinflammatory conditions, clinicians should be aware of the potential for severe psychiatric adverse effects, including catatonia, in pediatric patients. Careful differential diagnosis, interdisciplinary collaboration, and timely psychiatric intervention are critical to avoid iatrogenic worsening. Further research is needed to clarify underlying neurobiological mechanisms and identify markers of vulnerability, promoting safer and more personalized treatment approaches in children and adolescents.
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