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Priapism (Greek πριαπισμός, the erection) is a painful and potentially harmful medical condition in which the erect penis (erection) does not return to its flaccid state (despite the absence of both physical and psychological stimulation) within four hours.

Priapism is a medical emergency and needs proper treatment by a qualified medical practitioner.

Causes


The causative mechanisms are poorly understood but involve complex neurological and vascular factors. Priapism may be associated with prolonged sexual activity, leukaemia, Fabry's disease, haematological disorders (such as sickle-cell disease), cerebrospinal disease (such as syphilis), genital infection, some spinal injuries, or inflammation (Beers & Berkow, 1999). Priapism can be caused by drugs such as certain antidepressants, antihypertensives, anticoagulants and corticosteroids. It can also be a withdrawal symptom of drugs such as heroin. Priapism is often present in spinal injuries or trauma to the spinal cord. This is partly because much of the spinal cord's efferent signals to the genitals are inhibitory: once these are removed the penis is disinhibited and will become erect. Of note is the fact that in copulating praying mantises the act by the female of eating the head of the male causes disinhibition of the mating end of the male and more effective copulation. It is also said a hanged man will get an erection and may ejaculate. This is, however, not caused by disinhibition of the penis, but rather due to blood rushing to the bodily extremities upon hanging.

One of the more significant classes of drugs which may precipitate priapism are the phosphodiesterase type-5 (PDE5) inhibitors such as sildenafil (popularly Viagra), tadalafil and vardenafil. Injected erectile-dysfunction therapies such as alprostadil are also significant. The antidepressant/sedative trazodone has also been associated with priapism.

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@Conglomotech I much prefer Freaky Sleep Priapism...terrifying in only the most delightful way. ;o)
orosiefactor (Rosie ) Sat, 31 Oct 2009 23:08:26 -0000
@Conglomotech I much prefer Freaky Sleep Priapism...terrifying in only the most delightful way. ;o)
my priapism made this weekend easy.
bluedream420 (Blue Dream) Sat, 31 Oct 2009 19:36:00 -0000
my priapism made this weekend easy.
Sex Toy :: FDAapproved drug PEGADA shows positive results in relieving major complication of priapism Una LaM http://www.sexcyberguide.com
clintonroad (clinton road) Sat, 31 Oct 2009 18:12:03 -0000
Sex Toy :: FDAapproved drug PEGADA shows positive results in relieving major complication of priapism Una LaM http://www.sexcyberguide.com
Priapism Responds to New Treatment: Priapism, which many may know better as an erection that lasts longer than .. http://bit.ly/F69QY
beautygeek (Sharon Preston) Sat, 31 Oct 2009 17:41:49 -0000
Priapism Responds to New Treatment: Priapism, which many may know better as an erection that lasts longer than .. http://bit.ly/F69QY
Priapism Responds to New Treatment - eMaxHealth http://bit.ly/4ekMGb
Viagra2Shop (Viagra Shop) Sat, 31 Oct 2009 17:25:45 -0000
Priapism Responds to New Treatment - eMaxHealth http://bit.ly/4ekMGb
Radiology publications: High-flow priapism after perineal trauma. http://bit.ly/3jJ11R
Radiolopolis (Radiolopolis) Sat, 31 Oct 2009 14:20:16 -0000
Radiology publications: High-flow priapism after perineal trauma. http://bit.ly/3jJ11R

 
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Family Practice Notebook: Priapism in Sickle Cell Anemia - Looks at the course, management and complications of this disease.
Meta Description: [ Hematology and Oncology: Hemoglobin: Sickle Complications Priapism ]

Prozac and Priapism - The Urology Forum - Question and answer about the use of anti-depressants and this disorder.
Meta Description: [ Patient medical question and doctor answer from The Urology Forum. Health topic area and articles about urology - general Topics: priapism erection . ]

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