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Related Experiment Video

Updated: Jun 6, 2026

Optimization of a Quantitative Micro-neutralization Assay

Optimization of a Quantitative Micro-neutralization Assay

Published on: December 14, 2016

["Oseltamivir-induced delirium"].

Anna Tina Kruker¹, Martin Krause

¹Medizinische Klinik, Kantonsspital Münsterlingen, Postfach, Münsterlingen.

Therapeutische Umschau. Revue Therapeutique

|November 26, 2010

Summary

This case report details a patient hospitalized with H1N1 pneumonia who developed delirium. Oseltamivir treatment may have caused neuropsychiatric side effects, warranting further investigation.

Area of Science:

Infectious Diseases
Pharmacology
Neurology

Background:

The 2009 H1N1 influenza pandemic presented significant public health challenges.
Antiviral medications like Oseltamivir are crucial for managing influenza infections.
Understanding drug-induced neuropsychiatric effects is vital for patient safety.

Observation:

A 62-year-old male with multiple comorbidities was hospitalized with severe H1N1 pneumonia symptoms.
Despite negative PCR results, Oseltamivir treatment led to clinical improvement but was followed by severe delirium.
The patient exhibited psychotic and paranoid symptoms that persisted post-discharge.

Findings:

The patient's clinical presentation suggested H1N1 pneumonia, treated empirically with Oseltamivir.

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Neuropsychiatric symptoms, including delirium, emerged during or after Oseltamivir treatment.

A causal link between Oseltamivir and the observed neuropsychiatric effects is proposed.

Implications:

This case highlights the potential for Oseltamivir to induce neuropsychiatric side effects.
Further research is needed to specifically investigate and quantify these adverse events.
Clinicians should be vigilant for neuropsychiatric symptoms in patients treated with Oseltamivir.