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The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis

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Published on: July 11, 2013

Systemic dermatitis due to tetrazepam.

L Sánchez-Morillas¹, J J Laguna-Martínez, M Reaño-Martos

¹Allergology Department, Hospital Central de la Cruz Roja, Madrid, Spain. Isanchezmorillas@hotmail.com

Journal of Investigational Allergology & Clinical Immunology

|November 1, 2008

Summary

This summary is machine-generated.

Adverse reactions to benzodiazepines are rare. This case study details a patient experiencing hypersensitivity to tetrazepam and diclofenac, confirmed through patch testing and oral challenges.

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Area of Science:

Pharmacology
Immunology
Dermatology

Background:

Cutaneous adverse reactions to benzodiazepines are infrequently reported.
Drug hypersensitivity reactions can manifest in various ways, including immediate and delayed types.

Observation:

A 61-year-old male experienced adverse reactions following the ingestion of metamizole, diclofenac, and tetrazepam.
Initial skin prick tests for these medications were negative.
Patch testing revealed a positive reaction to tetrazepam, while oral challenges confirmed hypersensitivity to both tetrazepam and diclofenac.

Findings:

The patient exhibited a type IV hypersensitivity reaction to tetrazepam, validated by patch testing and oral challenge.
An immediate hypersensitivity reaction was observed after diclofenac administration.
Importantly, the patient could tolerate other benzodiazepines, including diazepam.

Implications:

This case highlights the importance of thorough diagnostic testing for suspected drug hypersensitivity, even when initial tests are negative.
It underscores that individual drug reactions within a class, like benzodiazepines, can vary significantly.
Accurate diagnosis is crucial for patient management and avoiding potentially severe adverse events.