Hypersensitivity reactions to multiple anti-tuberculosis drugs
Hong-Joon Shin1, Jin-Sun Chang1, Min-Suk Kim1
1Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chonnam National University Hospital, Gwangju, South Korea.
Plos One
|February 4, 2021
Summary
Multiple drug hypersensitivity reactions (DHRs) to anti-tuberculosis drugs are common. Rifampin is the most frequent cause, and outcomes may be poorer with multiple DHRs.
Area of Science:
- Pharmacology
- Clinical Medicine
- Immunology
Background:
- Hypersensitivity reactions to anti-tuberculosis (TB) drugs pose a significant clinical challenge.
- Understanding the patterns and outcomes of these reactions is crucial for effective TB management.
Purpose of the Study:
- To evaluate hypersensitivity reactions to anti-TB drugs.
- To compare clinical manifestations and treatment outcomes between single and multiple drug hypersensitivity reactions (DHRs).
Main Methods:
- Retrospective study of 28 patients diagnosed with anti-TB DHRs via oral drug provocation tests.
- Comparison of clinical data and treatment success rates between patients with single versus multiple DHRs.
Main Results:
- 17 patients (60.7%) experienced single DHRs, while 11 (39.3%) had multiple DHRs.
- Rifampin was the most common causative agent in both groups.
- Treatment success rates were 94.1% for single DHRs and 81.8% for multiple DHRs, a non-statistically significant difference.
Conclusions:
- Multiple anti-TB DHRs are frequent, with rifampin being the most common culprit.
- Treatment outcomes may be less favorable in patients with multiple DHRs compared to single DHRs.
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