We describe a hitherto under-recognized curious response in some individuals: of sneezing in response either to sexual ideation or in response to orgasm. We surmise that an indiscrete stimulation of the parasympathetic nervous system may be an underlying mechanism to explain this and other reported unusual triggers of sneezing. The senior author came across a middle-aged male patient who described uncontrollable fits of sneezing with sexual thought. It seemed this phenomenon had been present throughout his adult life. Whenever he had a sexual thought this would be followed immediately by a fit of sneezing, with no other rhinological symptoms prior to the sneeze.
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Well, it might be because you have a condition nicknamed honeymoon rhinitis. Which is where you find yourself sneezing and runny nosed when you have sex.
On the upside, the problem tends to be post coital rather than during sex, so at least you can enjoy getting it on before the sneezing starts? Follow Metro. Symptoms of honeymoon rhinitis: Burning or pain when urinating A fever or chills Feeling tired Feeling shaky Pain during sex Pain or pressure in the back or lower abdomen Cloudy, dark, or strong-smelling urine. The Fix The daily lifestyle email from Metro. Sign up. Share this article via facebook Share this article via twitter Share this article via messenger Share this with Share this article via email Share this article via flipboard Copy link.
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Bizarre condition triggers sneezing after sex | Science | The Guardian
We describe a hitherto under-recognized curious response in some individuals: of sneezing in response either to sexual ideation or in response to orgasm. We surmise that an indiscrete stimulation of the parasympathetic nervous system may be an underlying mechanism to explain this and other reported unusual triggers of sneezing. The senior author came across a middle-aged male patient who described uncontrollable fits of sneezing with sexual thought.
It seemed this phenomenon had been present throughout his adult life. Whenever he had a sexual thought this would be followed immediately by a fit of sneezing, with no other rhinological symptoms prior to the sneeze. He had no psychiatric morbidity. We thought this unusual and performed a literature search of the topic. In the 19th century, a link between the nose and the genitals was recognized.
Both Watson in 1 and Mackenzie in 2 had noted a link between sexual excitement and sneezing in some individuals, but there was no credible reason given for the phenomenon. How the erectile tissue of these distant anatomical sites is linked in its response was never explained, but Fliess went on to expand the theory, suggesting that dysmennorhoea was due to nasal disorder. He expanded even further, suggesting that the nose was linked to menstruation and that menstruation was an underlying cyclical timing of all organs in the body.
He consequently suggested that a huge number of neurological, psychological or sexual complaints could be treated with medication or surgery of the nose. His ideas became so fanciful that he was ridiculed and fell out of favour with both his medical contemporaries and with Freud.
The only subsequent report of this phenomenon in the medical literature dates from a letter to the Journal of the American Medical Association of 5 where a year-old man is described who complains of severe sneezing immediately following orgasm, again with no psychiatric morbidity.
The other reply was from Everett, who had investigated sneezing in response to sunlight 6 and stated that a few patients had also mentioned sneezing in response to sexual ideation during his investigations. However, he too eventually also suggested treatment with topical nasal anaesthesia for this symptom.
As this is a problem that does not lead to morbidity and may be seen as embarrassing to discuss it may be under-reported.
We searched in June , and again six months later in December We found many discussions of the phenomena, with 17 people of both sexes reporting sneezing immediately upon sexual ideation, 7—18 and three people after orgasm.
In four of the threads, respondents reported that they too suffered the same problem. In the reports it appears the sneezing occurs immediately upon sexual ideation, or very soon after orgasm. It also seems that the two phenomena do not occur in the same person, i. No people mentioned that they suffered neurological or rhinological disease.
Sneezing is a reflex that has developed to clear the nasal passages of particulate matter, infectious material and other irritants. Despite being a widespread phenomenon, comparatively little is known of the neurological pathways involved in this reflex.
Animal studies show that afferent sensory nerve fibres from the nasal mucosa carried in the first two trigeminal nerves relay to the ventromedial spinal trigeminal tract and the adjacentpontine-medullary reticular formation Figure 1. This arc therefore requires the integrated activity of the respiratory, pharyngeal and laryngeal musculature. Of note, the response to nasal stimuli, including the sneeze response, also includes a parasympathetic nervous system mediated increase in nasal and lacrimal secretions.
It is recognized that stimulation of non-nasal branches of the trigeminal nerve may provoke sneezing, for example with eyebrow plucking. However, several unusual triggers of sneezing have been described that do not seem to involve a trigeminal pathway. It appears to be inherited as an autosomal dominant trait, but the genetic locus has not been identified.
In separate reports, two families have been described who appear to sneeze after meals, seemingly provoked by fullness of the stomach. In this report we describe sneezing in response to sexual ideation or orgasm as perhaps a common phenomenon. It seems that this represents two separate entities; sneezing in response to sexual ideation and sneezing in response to orgasm. So why may sexual ideation or orgasm trigger sneezing? And does this serve any function?
Without experimental investigation we can only surmise, but analysis of existing literature may provide theoretical support. One possibility is a psychiatric response, with the sneeze representing a forceful emission of sexual tension, but sneezing is reflex and not volitional although psychosomatic sneezing has been described, typically in teenage girls Another possibility in keeping with the theories of Fliess is a humoral mechanism, whereby nitric oxide released to cause genital tumescence enters the bloodstream and causes engorgement and irritation of the nasal mucosa too.
However, this would take a long time to be affected, and studies have shown that in penile erection, nitric oxide is released locally but does not enter the systemic circulation to an appreciable extent. Here, the other recognized unusual causes of sneezing may provide a clue as to the cause.
Everett who was the first to investigate the phenomenon suggested several theories. This maxillary nerve stimulation suggests there to be a source of nasal irritation, which triggers the sneeze reflex. The second theory is that light leads to lacrimation, and the tears produced drain via the nasolacrimal duct to cause irritation of the nasal mucosa in sensitive individuals. Here, parasympathetic nervous system pupillary miosis in response to light also leads to parasympathetic mediated secretion from the nasal mucosa, triggering sneezing.
It seems to us that sneezing in response to sexual ideation or in response to orgasm may also be an effect of parasympathetic summation and support the latter of these theories. It is known that the neurones that will subsequently form the cranial outflow of the parasympathetic nervous system originate in the vagal region of the embryonic neural tube, in a region not too distant from the putative future sneeze centre.
Although there is a separate sacral region of the neural tube for formation of sacral parasympathetic outflow, recent ablative studies of vagal neural crest cells in the chick embryo suggest that the vagal centre plays a central role in all parasympathetic innervation. There is evidence of persisting links between different components of the parasympathetic nervous system, whereby stimulation of one parasympathetic response will lead to other parasympathetic responses.
For example during sleep, bradycardia and hypotension may be accompanied by penile erection. These interconnecting pathways have not been researched in depth, but there is evidence of descending projections from the parasympathetic nucleus of the eye the Edinger-Westphal nucleus to the brainstem 36 which would support the notion of aberrant stimulation of extra-ocular parasympathetic pathways in response to light.
We note that all of the reported triggers of sneezing that arise independent of a nasal trigger have parasympathetic outflow as a common variable. For the photic sneeze response there is parasympathetic activity to cause pupillary constriction in response to light.
When the stomach is full there is parasympathetic activity to stimulate gastric peristalsis and acid secretion. When there is sexual ideation, there is parasympathetic outflow to cause venous dilation leading to penile or clitoral tumescence.
At orgasm, although ejaculation may be sympathetically mediated, there is also parasympathetic activity to effect secretion from glands producing components of male or female ejaculate Table 1. Thus, any trigger that stimulates a parasympathetic response will mean that efferents from the relevant parasympathetic nucleus will also project back to their embryonic origin at the vagal parasympathetic nuclei, which may in turn stimulate other parasympathetic responses.
This may include a response to the parasympathetic greater superficial petrosal nerves, which relay via the pterygopalatine ganglion to effect nasal secretion and consequent irritation. This nasal irritation will then result in a sneezing response Figure 2. The finding that both sneezing in response to light and in response to fullness of the stomach are inherited in an autosomal dominant pattern suggests the possibility of a genetically determined aberration in parasympathetic neuronal embryogenesis as an explanation.
We have reported sneezing in response to sexual ideation or orgasm, and it is possible that this too could be inherited in an autosomal dominant manner.
It may be difficult to know, because in general, parents and children are unlikely to discuss such phenomena with each other due to social inhibitions. We surmise that a mechanism of parasympathetic summation is the cause of this unusual response, and that this mechanism may also account for other reported unusual causes of sneezing — exposure to light and fullness of stomach.
Contributorship MB contributed to the script. Both authors contributed to research. National Center for Biotechnology Information , U. J R Soc Med. Author information Copyright and License information Disclaimer. Correspondence to: Mahmood Bhutta ku.
This article has been cited by other articles in PMC. Summary We describe a hitherto under-recognized curious response in some individuals: of sneezing in response either to sexual ideation or in response to orgasm. The sneezing reflex and unusual triggers thereof Sneezing is a reflex that has developed to clear the nasal passages of particulate matter, infectious material and other irritants.
Open in a separate window. Figure 1. Potential mechanisms So why may sexual ideation or orgasm trigger sneezing? Table 1 Hypothesized parasympathetic efferents as a trigger for sneezing.
Figure 2. Hypothesized parasympathetic summation as a trigger for sneezing. Acknowledgements None. References 1. Watson WC. Diseases of the Nose and its Accessory Cavities. London: Lewis; Mackenzie JN. Irritation of the sexual apparatus as an etiological factor in the production of nasal disease. Amer J Med Sci. Young AR. Freud's friend Fliess.
J Laryngol Otol. Jones E. The Life and Work of Sigmund Freud. London: Penguin Books; Paroxysmal sneeze following orgasm. Everett HC. Sneezing in response to light. Sneeze-evoking region within the brainstem. Brain Res. Inability to sneeze as a manifestation of medullary neoplasm.