Intranasal insufflation

McCreary M, Emerman C, Hanna J, Simon J. Acute myelopathy following intranasal insufflation of heroin a case report. Neurology 2000 55(2) 316-7. 

Myelopathy has been reported after intranasal insufflation of diamorphine (17). 

A review of bupropion abuse describe six reported cases, five of which involved nasal insufflation, three involving seizure precipitation and one case of deliberate oral misuse in a child. Case reports, clinical and correctional experience indicate that bupropion is frequently abused in correctional settings [72. Further case reports of intranasal bupropion abuse have since been described in patients with correctional system exposure, or where frequent drug screening may militate against the use of other drugs [73. ... 

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