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Flu-like symptoms associated with fluoxetine overdose: a case report
1Department of Psychiatry, Hennepin County Medical Center, University of Minnesota, Minneapolis 55455.
Journal of Toxicology. Clinical Toxicology
|January 1, 1989
Summary
Fluoxetine, a selective serotonin reuptake inhibitor, may cause flu-like symptoms, particularly after overdose. This case highlights potential dose-related effects and allergic reactions, warranting further investigation.
Area of Science:
- Pharmacology
- Clinical Toxicology
Background:
- Zimelidine, a serotonin reuptake inhibitor (SRI), is associated with flu-like symptoms and Guillain-Barre syndrome.
- Fluoxetine, a structurally related SRI, has manufacturer's literature mentioning flu-like symptoms, but these are not well-documented in published studies.
- Guillain-Barre syndrome has not been reported with fluoxetine use.
Observation:
- A patient presented with flu-like symptoms, urticaria, and angioedema two days after a fluoxetine overdose.
- No neurological sequelae were observed in the patient.
- The allergic-type reactions (urticaria, angioedema) are unusual in the context of a drug overdose.
Findings:
- This case confirms fluoxetine's association with flu-like symptoms.
- The occurrence of symptoms after overdose suggests a potential dose-related effect.
- The patient's allergic manifestations are noteworthy and uncommon in drug overdose scenarios.
Implications:
- Fluoxetine overdose may present with flu-like symptoms and allergic reactions.
- These symptoms might be dose-dependent, requiring careful consideration of dosage.
- Further research is needed to understand the mechanism of these adverse effects and their relationship to allergy.