[2]Another possible explanation concerns the existence of erectile tissue in the nose, which may become engorged during sexual arousal, triggering a sneeze.
[3] The phenomenon was documented as early as 1897 in John Noland Mackenzie [fr]'s remarks before the British Medical Association at a meeting in Montreal.
[4] It was later commented upon in print in 1901 in Gould and Pyle's Anomalies and Curiosities of Medicine: Winn reports the case of a man, who, when prompted to indulge in sexual intercourse, was immediately prior to the act seized with a fit of sneezing.
Bhutta stated that these people often felt embarrassed bringing up the disorder with a doctor, and were more comfortable seeking advice anonymously.
The internet, he stated, could potentially be a new tool for medical researchers to investigate unusual or embarrassing symptoms that patients might not be comfortable discussing with their physicians.