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Updated: May 25, 2026

Multifocal Electroretinograms

Multifocal Electroretinograms

Published on: December 4, 2011

Multifocal, fixed-drug eruption masquerading as recurrent erythema multiforme.

Michael K Elm¹, Michael R Murchland

¹Dermatology Service, San Antonio Military Medical Center, San Antonio, TX, USA. michael.elm1@us.army.mil

Journal of Drugs in Dermatology : JDD

|January 25, 2012

Summary

This summary is machine-generated.

Multifocal fixed drug eruptions can be challenging to diagnose, particularly non-pigmenting types without a full medication history. This case highlights uncommon over-the-counter drug causes.

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Last Updated: May 25, 2026

Multifocal Electroretinograms

Multifocal Electroretinograms

Published on: December 4, 2011

Area of Science:

Dermatology
Clinical Medicine
Pharmacology

Background:

Fixed drug eruptions (FDE) are typically recognized by characteristic lesions and patient history.
Diagnosis can be complicated by multifocal presentations, especially non-pigmenting FDE.
Incomplete medication histories further obscure diagnostic pathways.

Observation:

A patient presented with a challenging case of multifocal fixed drug eruption.
The patient was concurrently using two over-the-counter medications.
Both implicated medications contained ingredients not commonly associated with FDE.

Findings:

The non-pigmenting, multifocal nature of the eruption posed a diagnostic dilemma.
Identification of the causative agents required careful correlation of clinical presentation and medication use.
The study underscores the potential for less common over-the-counter drugs to trigger FDE.

Implications:

Clinicians should consider a broader range of over-the-counter medications when diagnosing FDE.
Thorough medication reconciliation is crucial, even for non-prescription drugs.
Increased awareness of uncommon FDE triggers may improve patient outcomes.