What is the reason for the swelling and pain after male ejaculation?

Patient's question:

Today I remembered, there was once when my husband and I had ML, after heed he said he felt a little pain~ What could be the reason? Is it aching pain~

Doctor's answer:

Hello: Uncertainty! Are there any other symptoms? Is there any abnormality in urination? Pain during ejaculation could be due to the following conditions:
  1. Frequent sexual activity: Excessive sexual activity can often cause aseptic inflammation in the vas deferens, seminal vesicles, and urethral organs, leading to congestion and edema in these organs. During ejaculation, the contraction of smooth muscles stimulates these congested organs, causing pain.
  2. Stones: Urethral stones in males are a common condition. When small stones become lodged in the posterior urethra, especially at the opening of the ejaculatory duct, the contraction and peristalsis of these areas during ejaculation squeeze the stones, producing pain. If stones are present in the prostate or seminal vesicles, the contraction of these areas during ejaculation can also cause pain.
  3. Reproductive organ inflammation: Lower urinary tract infections in males are the most common cause of painful ejaculation. Conditions such as cystitis, urethritis, or prostatitis cause rhythmic muscle contractions in these organs during ejaculation, which mechanically stimulate inflamed areas, leading to severe pain. Some patients may also experience painful nocturnal emissions.
  4. Tumors: Malignant tumors of the male urinary and reproductive organs often cause painful ejaculation. When tumors develop in the testicles, epididymis, or prostate, they can compress or obstruct the ejaculatory ducts, resulting in pain during ejaculation. However, the pain is usually mild, characterized by dull or aching sensations. While tumors in the seminal vesicles or vas deferens are relatively rare, the progression of these conditions is often insidious. Therefore, such pain should be taken seriously.
  5. Other diseases: Individuals with penile plaques may experience pain during erections during sexual activity, which worsens during ejaculation. Those with urethral stricture may have difficulty expelling semen, forcing the urethra to expel it, which can also cause pain. Additionally, male urinary tuberculosis or urethral polyps can also lead to painful ejaculation.

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