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Updated: Feb 13, 2026

Antigen-Capture Enzyme-Linked Immunosorbent Assay for Specific Detection of Mycoplasma pneumoniae
Published on: February 24, 2023
Mycoplasma pneumoniae-induced mucositis without rash in an 11-year-old boy
Morgan Bowling1, Tyler Schmutzler2, Sarah Glick3
1Department of Pediatrics Newark Beth Israel Medical Center Newark New Jersey.
Abstract:
Mycoplasma pneumoniae is a frequent cause of childhood pneumonia, and extrapulmonary manifestations may be noted at the time of infection. While M. pneumoniae has long been associated with Stevens-Johnson syndrome, a separate diagnostic entity, Mycoplasma pneumoniae-induced rash and mucositis (MIRM), has recently been proposed to better characterize the rash and severe mucositis that some patients exhibit. A subset of patients with MIRM will have mucositis without skin rash. Physicians should recognize this clinical entity and be familiar with treatment options for MIRM.
Insights
Mycoplasma pneumoniae can cause pneumonia and other symptoms. A new condition, Mycoplasma pneumoniae-induced rash and mucositis (MIRM), is proposed for patients with severe mucositis, sometimes without a rash.
Area of Science:
- Pediatric infectious diseases
- Dermatology
- Clinical immunology
Background:
- Mycoplasma pneumoniae is a common cause of pneumonia in children.
- Extrapulmonary symptoms can occur during M. pneumoniae infections.
- Stevens-Johnson syndrome has been linked to M. pneumoniae.
Purpose of the Study:
- To introduce and define Mycoplasma pneumoniae-induced rash and mucositis (MIRM).
- To highlight that MIRM can present with mucositis alone, without a rash.
- To emphasize the importance of recognizing MIRM and its treatment.
Main Methods:
- Literature review and clinical case analysis.
- Comparison of clinical features of MIRM with Stevens-Johnson syndrome.
- Review of treatment strategies for MIRM.
Main Results:
- Mycoplasma pneumoniae-induced rash and mucositis (MIRM) is a distinct clinical entity.
- MIRM is characterized by severe mucositis and often a rash, but can occur with mucositis only.
- Recognition of MIRM is crucial for appropriate patient management.
Conclusions:
- Mycoplasma pneumoniae-induced rash and mucositis (MIRM) is a recently proposed diagnostic entity.
- Physicians should be aware of MIRM, including its presentation without a rash.
- Familiarity with MIRM treatment options is essential for pediatricians and other clinicians.
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