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Traffic Inj Prev. 2014;15(6):551-5. doi: 10.1080/15389588.2013.861597.

Second-generation antihistamines exhibit a protective effect on drivers in traffic-a preliminary population-based case-control study.

Author information

  • 1a Division of Forensic Toxicology, Hjelt-Institute , University of Helsinki, University of Helsinki , Helsinki , Finland.

Abstract

INTRODUCTION:

Although there have been experimental studies concerning driving and drugs, studies on the risk of antihistamines are not numerous. This is the first population-based epidemiological study concerning the association of sedating/nonsedating antihistamines and fatal traffic accidents.

METHODS:

Car drivers (n = 428) who died in accidents before reaching the hospital and controls (n = 688) matched for accident area and driving season were studied for antihistamines in blood. At the time of the fatal road traffic accident, 6 drivers had a detectable amount of sedating antihistamines in blood, and the corresponding number for controls was 4; nonsedating antihistamines in blood were detected in 12 accident cases and 28 controls. The fatal accidents occurred between 1998 and 2002 and the information on the controls was collected between 2000 and 2002 in Finland.

RESULTS:

Regarding fatal traffic accident causality, the nonsedating antihistamines proved to have a protective effect after adjusting for age and gender (relative risk = 0.40, 95% confidence interval [CI], 0.20 to 0.82; P =.01). The risk of fatal traffic accident of those driving under the influence of sedating antihistamines was 1.61 (0.38 to 6.77, P =.51) times the risk of those without medication.

DISCUSSION:

This preliminary study supports the protective effect of second-generation antihistamines with respect to fatal traffic accidents. Due to the small sample size the results are not conclusive.

KEYWORDS:

Finland; accidents; antihistamines; case control; population-based; traffic

PMID:
24245669
[PubMed - indexed for MEDLINE]
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