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What is Priapism?

What is Priapism Image

What is Priapism?

The biggest dream of every adult male is to last longer in the bed; however, it is imperative to keep in mind that prolonged or sustained penile erection is not always good. The medical condition associated with an increased or prolonged erection of penis is referred to as priapism. It should be noted that unlike traditional penile erection, priapism is almost always associated with moderate to severe pain that is not regulated through sexual arousal.

It should be noted that priapism is a medical emergency and requires immediate attention to minimize the risk of permanent damage to the erectile machinery. This is mainly because, poorly addressed priapism is associated with rupture of penile tissue due to vascular pressure. The incidence of having priapism is most common in younger males (1).


What are Some Classic Symptoms of Priapism?

The symptomatology and complaints vary from person to person. Clinically, there are two primary varieties of priapism; these are:

  1. Ischemic Priapism

This condition is mainly due to compromised blood circulation or veno-occlusive episodes in the penile tissue. The pathophysiology of this type is specific for production and accumulation of abnormal gases (hypercarbic, hypoxic and acidotic) in the cavernous tissues due to a failure of detumescence mechanism. The classic symptoms that are reported in ischemic priapism are:

Some males may experience persistent priapism that does not resolve without treatment. Some common findings after the resolution of prolonged ischemic priapism are; edema of penis (in the presence of flaccid cavernous tissue), appearance of bruises and recurrent onset of partial erections

  1. Non-Ischemic Priapism

This condition takes place when there is a poor regulation of penile inflow of blood. Due to abnormally high rate of blood circulation, this variety of priapism is generally painless. Symptoms of non-ischemic priapism are specific for:

The classic feature that helps in differentiating non-ischemic variety from ischemic type of priapism is absolute return to normal flaccid penis once the erection is over.

  1. Stuttering Priapism

Also referred to as intermittent priapism is a sub-type of ischemic priapism that is associated with recurrent episodes of painful penile erection with intervening periods of flaccid penis.


When to See a Doctor

It is highly recommended to consult a medical professional as early as possible if you are experiencing persistent erection for a period of more than four hours (especially if the persistent erection is associated with pain or discomfort).


What are Primary Causes of Priapism?

There are several pharmacological and medical causes of prolonged erection. Physiologically, normal erection is the result of progressive in-flow of blood in the penis that leads to expansion of cavernous sinuses. The erection is released/terminated as soon as the blood is drained out from the sinuses after the ejaculation. However, in some cases, the normal circulatory forces are disturbed that may compromise the erection phase and/ or release phase.

Some frequently reported causes of prolonged erection are:

  1. Blood Disorders

Following are some blood related conditions that are usually implicated in the pathogenesis of priapism in males;

  1. Medications

A number of pharmacological agents are reportedly associated with higher risk of priapism as a side effect. Common pharmacological agents include:

  1. Alcohol and Drug Abuse

  1. Local Injury

  1. Other Related Factors

Other common factors that are less frequently associated with priapism are:


Complications of Priapism

Healthcare providers recommended extreme caution in individuals who experience recurrent episodes of priapism. This is mainly because; sustained penile contraction and pooling of blood leads to:


How to Minimize the Risk of Experiencing Priapism?

Following steps can be taken to prevent priapism:



  1. Furtado, P. S., Costa, M. P., do Prado Valladares, F. R., da Silva, L. O., Lordêlo, M., Lyra, I., & Barroso, U. (2012). The prevalence of priapism in children and adolescents with sickle cell disease in Brazil. International journal of hematology, 95(6), 648-651.
  2. Compton, M. T., Saldivia, A., & Berry, S. A. (2014). Recurrent priapism during treatment with clozapine and olanzapine.
  3. Anele, U. A., & Burnett, A. L. (2015). Erectile Dysfunction after Sickle Cell Disease–Associated Recurrent Ischemic Priapism: Profile and Risk Factors. The journal of sexual medicine.
  4. Burnett, A. L., Anele, U. A., Trueheart, I. N., Strouse, J. J., & Casella, J. F. (2014). Randomized controlled trial of sildenafil for preventing recurrent ischemic priapism in sickle cell disease. The American journal of medicine, 127(7), 664-668.
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