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[Toxic epidermal necrolysis caused by lamotrigine]
Isabel Rodríguez-Blanco1, Dolores Sánchez-Aguilar, Jaime Toribio
1Servicio de Dermatología, Complejo Hospitalario Universitario, Facultad de Medicina, San Francisco s/n, 15782 Santiago de Compostela, Spain. mejaime@usc.es
Actas Dermo-Sifiliograficas
|February 16, 2006
Summary
Toxic epidermal necrolysis (TEN) is a severe skin reaction, often triggered by medications. This case highlights TEN symptoms linked to lamotrigine, an anti-epileptic drug used for migraine prevention.
Area of Science:
- Dermatology
- Pharmacology
- Neurology
Background:
- Toxic epidermal necrolysis (TEN) is a severe, life-threatening mucocutaneous reaction.
- It is characterized by widespread blistering and epidermal detachment, affecting at least 30% of the skin surface.
- Drug-induced reactions are the most common etiology of TEN.
Observation:
- This report details a case of TEN.
- The patient presented with characteristic generalized eruption and flaccid blisters.
- The onset of symptoms was temporally associated with the introduction of lamotrigine.
Findings:
- Lamotrigine, an anti-epileptic medication, was prescribed for migraine prophylaxis in this patient.
- The clinical presentation of TEN developed following the initiation of lamotrigine therapy.
- This suggests a potential causal link between lamotrigine and the observed TEN.
Implications:
- This case underscores the importance of considering lamotrigine as a potential trigger for TEN.
- Awareness of this association is crucial for clinicians managing patients on lamotrigine for epilepsy or migraine.
- Prompt recognition and withdrawal of the offending drug are critical for patient outcomes in TEN.