Specimen types , Nasal swabs
المؤلف:
Sue Jickells , Adam Negrusz (Editors)
المصدر:
Clarkes Analytical Forensic Toxicology
الجزء والصفحة:
197
2026-10-11
14
Specimen types
Nasal swabs
Some pathologists collect intranasal samples using cotton-tipped swabs in an attempt to demonstrate nasal administration. However, the same principles apply as for proving a drug was injected at a particular site and interpretation should be undertaken with caution. Using cocaine as an example, if the drug is used one would expect to find small amounts of cocaine, and certainly cocaine metabolites such as benzoylecgonine, in the nasal passage, just through normal secretions. Therefore, without a difficult quantitative assessment, the simple detection of cocaine or its metabolites in nasal swabs does not prove that cocaine was snorted.
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