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Asthma due to kerosene exposure: three case reports
Summary
Prolonged exposure to kerosene vapor from accidental spills led to new-onset asthma in children and adults. Respiratory and eye symptoms also occurred, despite measured vapor levels being within accepted toxicological limits.
Area of Science:
- Environmental Medicine
- Toxicology
- Respiratory Medicine
Background:
- Kerosene exposure is typically associated with acute, not chronic, health effects.
- The toxicological limits for kerosene vapor are established based on existing data.
- Asthma is a complex respiratory condition with various known triggers.
Observation:
- Three separate domestic incidents involved prolonged kerosene vapor exposure from oil storage tank spills.
- Nine individuals (6 adults, 3 children) experienced varying levels of exposure.
- Affected individuals developed new-onset respiratory and ocular symptoms within weeks of exposure.
Findings:
- Three children and one adult developed persistent asthma, lasting over two years.
- Five adults experienced upper and lower respiratory tract symptoms and conjunctival irritation.
- Measured kerosene vapor levels in one home were within accepted toxicological limits, suggesting low acute toxicity.
- This study describes previously undescribed cases of asthma potentially caused by kerosene vapor.
Implications:
- Kerosene vapor may be an underrecognized trigger for new-onset asthma, particularly in children.
- Current toxicological limits for kerosene vapor may not fully account for chronic exposure risks.
- Further research is needed to understand the mechanisms linking kerosene vapor exposure to asthma development and persistence.