Erection too long: Causes and risks

While premature ejaculation, too short erection time affects the psychology and family happiness of many people, on the contrary, too long erection also brings great effects. Let's find out in the following article about why an erection for too long is also troublesome? What causes prolonged erection? What dangers may arise? And also the general treatment of this problem?


Is erection too long a disease?

In fact, this is a pathological disorder. The English name is "priapism" - or the Vietnamese name is Prolonged erection syndrome.

The name Priapism comes from Priapus - the name of a Greek god. This deity symbolizes fertility, protection of livestock, fruit trees, orchards and the male sex organ - the penis. And the connection here is that Priapus has an oversized penis. It is also for that reason that his name is given to this disorder.

In fact, Priapus also affects a woman's clitoris. Priapism causes the patient's penis and clitoris to become erect in the absence of sexual stimulation or desire.

Masturbation once a day is a lot? Discover the video that reveals the secret of masturbation when it is over the limit!

How often does this disorder occur?

According to data recorded from emergency rooms in the US from 2006 to 2009, more than 32,000 cases of prolonged erection syndrome came to the doctor. In other words, about 1 person per 100,000 people a year go to the emergency room. Persistent erectile dysfunction in the female clitoris is less common.

Men can get erectile dysfunction at any age. However, it is most common between 5 - 10 years old and 20 - 50 years old.

Penis structure and mechanism of erection

Erection too long: Causes and risks

Anatomy of the male penis.

The penis is made up of 3 erectile tissue blocks (2 cavernous bodies located parallel to the top, 1 spongy mass located in the lower groove, 2 cavernous bodies, spongy bodies surrounding the urethra) and layers made up.

1. Hanging body

There are 2 caves. Tubular structure with erectile tissue consisting of many cavern-like voids. These spaces, when filled with blood, help the penis to erect. The corpus cavernosum runs along the length of the penis from the pubic bone to ¾ of the length and then joins the glans. Therefore, the glans cannot burrow. The membrane separating the two cavernous bodies is very thin and rudimentary, so blood can easily flow from one side of the cavernous body to the other.

2. Sponge body

Contains the urethra inside. Therefore, both urine and semen exit this way. But never urine and semen come out at the same time (front or back). When semen is being released from the body, the outlet for urine is closed and vice versa. However, in some medical cases, this mechanism can be disturbed, leading to semen appearing in the urine called retrograde ejaculation. The spongiform body, like the cavernous body, becomes erect when it is filled with blood.

Erection too long: Causes and risks

Describe 2 states: No erection (upper) and erection (lower)

Accordingly: The disorder causes blood stasis to stay in the penis, which will make an abnormally long erection appear. There are two main groups of persistent erectile dysfunction: causing and not causing penile ischemia.

2.1. Causes penile anemia

This is a common group. The main cause is paralysis of the blood-filled caverns of the penis. The fact that these caverns become stiff and do not narrow, allows blood to continue to flow easily from the arteries into the penis.

As the penis is filled with more and more blood, the greater the pressure in the penis, the harder it will be!!! However, this is completely detrimental, because compression of the penile cavity can occur!!!

  • What is cavity compression?

This is a syndrome that occurs when any part of the body has too much pressure. This will lead to pressure on the surrounding blood vessels and lack of blood supply.

Prolonged high pressure will lead to:

  • Injuries to surrounding muscles and blood vessels.
  • Nerve damage.
  • Usually, compartment compression occurs acutely without early treatment, the above lesions are irreversible. The resection of the ischemic structures is necessary at this time.

Thus, when the penis is erect for too long, it will lead to lack of blood supply due to compression of the cavity. If not treated early, it may need to be removed.

2.2. Does not cause penile ischemia

Less common than the above case. Specific causes are usually birth defects or trauma. Both of these groups create a connection between the artery and the vein.

We all know, arteries bring blood to the body, veins carry blood to the heart. In the penis, too, the blood vessels bring blood to the caves of the penis to make it erect. The veins then lead blood from these caverns to the heart, ending the erection.

  • Mechanism

In the case of persistent erectile dysfunction without anemia. There is a connection between the artery and the vein. Causes blood from the veins to once again enter the arteries and into the cave of the penis. Usually, this case will not cause pain, the patient does not need to see a doctor.

What are the symptoms of an erection that lasts too long?

Symptoms of erectile dysfunction vary depending on the group of causes that are causing it. As mentioned above, there are 2 groups:

1. Ischemic Priapism

Ischemic priapism, also known as low-flow erectile dysfunction. So named because blood cannot leave the penis.

Erection too long: Causes and risks

Necrosis of the feet, in the penis also takes place almost like

Signs and symptoms include:

  • An erection that lasts more than four hours and is unrelated to sexual excitement or arousal.
  • The body of the penis is hard, but the tip of the penis is soft.
  • Progressive penile pain. The pain is increasing gradually.

2. Recurrent priapism – a form of ischemic priapism

This is an uncommon condition. It is more common in men with a genetic disorder that is characterized by abnormally shaped red blood cells (sickle cell anemia).

Sickle cells can block blood vessels in the penis. As well as affecting some active substances that dilate blood vessels in the penis. This makes the penis unable to "sink".

3. Priapism is not caused by anemia

This is also known as high-flow priapism. This phenomenon as mentioned, it occurs when penile blood flow goes from veins to arteries. Non-ischemic priapism is usually less painful than ischemic priapism. Signs and symptoms include:

An erection that lasts more than four hours and is not related to sexual excitement or arousal

Erection but not complete erection of the shaft of the penis.

When do you need to see a doctor?

Too long an erection is not a good thing!!! Therefore, when the erection lasts more than 2-4 hours, see your doctor. Especially when the pain in the penis is increasing gradually.

Doctors usually recommend 2 types of tests, to determine what the specific cause of your persistent erectile dysfunction is:

Blood gases: It is necessary to draw some blood from the shaft of your penis. This is to assess how far the anemia has reached. Is it possible to keep the penis?

Penile vascular ultrasound: This is to see if the blood in the patient's penis is normal or not.

What Causes Erectile Dysfunction?

Drugs, hormones and toxins

  • Drugs injected directly into the penis to treat erectile dysfunction.
  • Antidepressants, or psychiatric medications.
  • Alpha blockers are used to treat high blood pressure, benign prostatic hypertrophy, and kidney stones.
  • Blood thinners, such as warfarin (Coumadin) and heparin.
  • Additional hormones such as testosterone-releasing hormone or gonadotropin
  • Use of alcohol and drugs.


A common cause of priapism is not anemia. Trauma creates a connection between an artery and a vein in the penis.

Erection too long: Causes and risks

Injury to the penis is one of the causes of an erection that lasts too long

This will lead to a prolonged erection due to excessive bleeding. Injuries here are injuries that fall into the following categories:

  • Penile trauma.
  • Damage to the pelvis or perineum.
  • Injury to the area between the base of the penis and the anus.

Other factors

Other causes of priapism include:

  • A bite from a spider, scorpion, or other noxious infection.
  • Metabolic disorders including gout or amyloidosis.
  • Neurological disorders, such as spinal cord injury or syphilis.
  • Cancer related to the penis.

The treatments

The treatment depends on the type of Priapism you have.

If you are ischemic and your erection lasts more than 4 hours:

  • Your doctor will probably use a needle to draw some of the blood from your penis. They will then inject a drug into your penis to reduce an erection.
  • Your doctor may need to repeat the injection until the erection stops completely. If you feel a lot of pain, your doctor will prescribe a strong pain reliever.
  • If these treatments don't work, your doctor may recommend surgery. There are different types of surgery. Your doctor will talk to you about the best course of action for you.

Erection too long: Causes and risks

Your doctor will use an injection to suck out some of the blood in your penis

Non-anemic priapism usually resolves on its own without treatment. Although this erection can last for hours or days. If you have persistent erectile dysfunction that's not caused by anemia and your erections last forever, your doctor can treat it. But this is rarely necessary.

How to prevent prolonged erectile dysfunction?

If you have recurrent priapism. Or to prevent future episodes of prolonged erections, your doctor may recommend:

  • Treat the underlying condition, such as sickle cell anemia.
  • Use oral or injectable phenylephrine.
  • Hormone suppressants – adult men only.
  • Use oral medications used to control erectile dysfunction.


Prolonged erection is a rare syndrome. However, it can be very dangerous for you. Depending on the mechanism and cause, this syndrome has different manifestations. Treatment for each group of mechanisms and causes is also different. Use erectile dysfunction drugs as directed by your doctor. Drug abuse can hurt your "boy".