Normal penile erection occurs after a sexual impulse is generated due to sexual stimulation. However, if a long-term penile erection occurs without sexual impulse or sexual desire and cannot subside, this is usually called penile persistence. Erection disorders.

Speaking of the name "continuous erection of the penis", there is a story abroad. After foreign scholar Kao Erwei first discovered this rare disease of persistent erection in 1824, he didn't know what to call it. Later, he thought of the Greek god's penis (Priapus in Greek) in mythology and legend, which was regarded by ancient people as a source of fertility and fertility. The patron god of agricultural production and hunting, the god and his penis were also exaggeratedly carved on wooden pillars and stood in fields and orchards as idols of the god. Therefore, he named the persistent erection Priapism, which is still used today. The Chinese translation is a free translation based on the actual condition. It is sometimes also called priapism or painful penile erection.

The reason why sustained penile erection occurs was believed to be blood stasis caused by obstruction of the venous outflow tract of the corpus cavernosum. When the blood stasis in the cavernous body lags, the blood viscosity increases, the oxygen content in the blood decreases, the pH decreases and becomes acidic, and the carbon dioxide content increases, which further causes edema in the interstitium between the cavernous sinus and eventually leads to venous blood vessels Embolism, blood coagulation, and blood clot organization cause fibrosis of the corpus cavernosum. The corpus cavernosum becomes a solid cord and can no longer be filled with blood and erect.

In recent years, with the deepening of scientific research, the principle of sustained erection has become more clearly understood. Sustained erection of the penis can be divided into two types, namely high-flow type (non-ischemic type) and low-flow type. type (ischemic type), the former is due to excessive arterial blood inflow, but the venous outflow is not blocked. At this time, the smooth muscle of the cavernous sinus has not relaxed, so the excessive inflow of blood only partially expands the sinusoidal space, most of which The blood flows out directly through the uninvolved subalbugineal venous plexus, so there is no stasis or ischemia in the blood in the cavernous sinus, so it generally does not cause pain. The low-flow type of persistent erection is mainly caused by the obstruction of the cavernous veins. At this time, the arterial blood supply is also reduced, so tissue hypoxia and acidosis develop quickly, which can easily cause paralysis of the smooth muscles in the cavernous body and arteriolar walls. It causes thrombus to form in the cavernous cavity, resulting in complete occlusion of the venous output pipeline. The pressure in the cavernous body is extremely increased and the arterial input is completely stopped. Severe pain can occur due to ischemia and hypoxia in the cavernous body.

No matter what type of continuous erection the penis is, although on the surface it seems that the penis is full and erect for a long time, if you look closely, only the two corpus cavernosum on the back of the penis are filled. The urethral corpus cavernosum is not filled, so the glans is not filled. It's also soft. The difference between the two types is that the skin of the high-flow type has good color and elasticity, and there is generally no pain. Sometimes the erection lasts for several days and sexual function can still be maintained after recovery. In the low-flow type, the skin is blue-grey due to severe ischemia, the cavernous body is as hard as wood, and there is severe pain and difficulty walking. If not treated in time, it will quickly lead to necrosis and fibrosis of the trabecular structure of the cavernous body, so it should be treated as an emergency. Get treatment as soon as possible to avoid the sequelae of permanent impotence.

The main reason for persistent erection should be found and targeted treatment. Even if the cause of the disease is not easy to find at once, it should be treated in time. In the early stage, vasoconstrictors such as alamin can be injected into the cavernous body to shrink the cavernous sinus and drain the blood quickly. If the problem cannot be solved after injection, use A thicker needle is used to draw blood, and then the penis is irrigated with a vasoconstrictor-containing fluid to soften the penis. In the end, there is really no solution, and the only option is to undergo blood shunt surgery, but you should be mentally prepared for the possibility of impotence after surgery.

Persistent penile erection is not a sign of hypersexuality, but on the contrary, it is a disease

As we all know, there are abundant cavernous tissues in the penis. When these cavernous bodies are congested, the penis will become hard and erect. Modern medicine has confirmed that under the stimulation of certain disease factors, the veins of the cavernous bodies of the penis will expand for a long time, and the veins It will shrink for a long time, causing a long-lasting congestion state. Over time, it will affect the blood circulation and oxygen supply of the penis. The penis will be obviously swollen and painful. The cause of the accident is relatively clear to humans, such as spinal cord injury, local injury to the penis, tumor, and leukemia. , thrombophlebitis, etc.; but some are still unclear, and it can also be induced by excessively intense sexual intercourse or excessively long sexual intercourse.

What should I do if my penis continues to erect? First of all, you should stop sexual life immediately and avoid all sexual stimulation. You can take some sedatives, such as chlordiazepoxide 10-20 mg, 3 times a day; you can also use vasodilator drugs, such as Tolasulin 25 mg, 3 times a day. Take it orally or intramuscularly 1-2 times a day to promote the dilation of penile veins and allow the blood accumulated in the penis to flow back. In addition, taking some estrogen, such as diethylstilbestrol 5 mg, 3 times a day, has a certain effect on reducing the body's sensitivity to sexual stimulation. For some stubborn penile erections, doctors will use procaine and other anesthetics Carry out spinal epidural space or pudendal nerve block anesthesia. Use spinal epidural space or pudendal nerve block anesthesia to artificially block the nerve reflex of penile erection, causing the blood vessels in the cavernous body of the penis to expand and improve blood return. In stubborn cases, Surgery is required to remove the thrombus in the cavernous body of the penis. And make the cavernous body anastomose with the adjacent veins to open a way for the blood to return. As for the persistent erection of the penis with a clear cause, while carrying out the above treatment, these root causes must be actively eliminated, otherwise the old disease will still relapse.

There is another phenomenon, persistent erection caused by prostatic hyperplasia

In addition to the symptoms of prostatitis, the penis usually becomes erect as soon as you fall asleep at night, and continues until wake up. If you fall asleep again, you will get an erection again. The frequency of getting up at night has increased, 4 to 5 times every night, and the urine line will become thinner and thinner.

This symptom is caused by prostatic hyperplasia. Since prostatic hyperplasia, congestion and incontinence of urine will stimulate penile erection, prostatitis is no longer the main problem. After treatment, the symptoms will get better. Whether it is medication or surgery, you should go to the urology department of your local regular hospital, and the doctor will make a choice based on your actual situation.

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