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Second-generation antihistamines exhibit a protective effect on drivers in traffic-a preliminary population-based
Antti Perttula1, Janne Pitkäniemi, Olli-Pekka Heinonen
1a Division of Forensic Toxicology, Hjelt-Institute , University of Helsinki, University of Helsinki , Helsinki , Finland.
Second-generation antihistamines may protect against fatal traffic accidents, while sedating antihistamines show no significant risk. This population-based study suggests a potential benefit of non-sedating antihistamines in driving safety.
Area of Science:
- Traffic Safety Research
- Pharmacovigilance
- Epidemiology
Background:
- Limited research exists on antihistamine use and driving risks.
- This is the first population-based epidemiological study on sedating/nonsedating antihistamines and fatal traffic accidents.
Purpose of the Study:
- To investigate the association between antihistamine use and the risk of fatal traffic accidents.
- To determine if sedating or nonsedating antihistamines impact driving safety.
Main Methods:
- A population-based case-control study involving 428 drivers deceased in traffic accidents and 688 matched controls.
- Antihistamine levels in blood samples were analyzed.
- Data collected in Finland between 1998-2002 for accidents and 2000-2002 for controls.
Main Results:
- Nonsedating antihistamines showed a protective effect against fatal accidents (RR=0.40, P=.01) after adjusting for age and gender.
- Sedating antihistamines did not show a statistically significant increased risk (RR=1.61, P=.51).
Conclusions:
- Preliminary findings suggest a protective effect of second-generation (nonsedating) antihistamines in fatal traffic accidents.
- The study's small sample size limits definitive conclusions.
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