Enlarged Left Testicle without Pain: Causes of Swollen Left Testicle

Question: Left testicle larger than right one – could this be a hernia as my doctor suggests – I have no pain and it has been like this for over a year?
Answer: Testis swelling can be unilateral or bilateral in the scrotal sac. Testis swelling can be painless or painful, generally testicular swelling is the result of accumulation of fluid in it, but some time there may be painless swelling resulting due to cancer of the testis which is hard to feel, unlike soft and palpable swelling in case of hydrocele.

Causes of Swollen Left Testicle with No Pain

Some of the reasons of painless testicular swelling of left side are:

  • Due to descending hernia which may be retractable or non retractable, in retractable hernia the swelling subside in lying down position
  • Hydrocele is one o the most common cause of painless swelling of testis, it is due to the accumulation of fluid in between two membranes of the testis, it is palpable and fluctuating
  • Varicocele is also one of the painless conditions of swollen testicle.
    It is due to engorgement of the veins of the testis, it does not cause any trouble usually but can be one of the reason for sterility in males.
  • Cancer of testis can also present itself as painless swelling but the difference is that it is stony hard.

Investigation advised: Ultrasound of testis, color dopler study of testicular vein.

If hernia is present, there may be swelling in the inguinal region with testicular swelling

16 Comments

  1. SL said:

    I am 26 years and have a left enlarged testicle for more than 10 years now. It happened when I was young and suddenly banged my testis against the handle of scooter. It caused some pain for few days and then it became normal. I didn’t tell anyone about it. Even now it is larger as compared to the right one, though it doesn’t cause any pain but I am a little worried because I have to urinate at least 15 times in a day. Can anyone suggest what I should do about it or what it could be?

    June 11, 2012
    Reply
    • PUP said:

      Consult a doctor to confirm if your testis is enlarged. For your frequent urination problem, there is no relation of it with your testis. Most probably, the cause for frequent urination is urinary tract infection. Get your urine checked in a laboratory, and tell me the findings. For this you have to take first morning sample of urine.

      June 12, 2012
      Reply
  2. James said:

    I have an enlarged left testicle for the last 10 years. I am having sexual relationship with my girlfriend since 5 years. Even then she is not getting pregnant. Does this mean that the swollen testicle has resulted in infertility?

    October 19, 2013
    Reply
    • PUP said:

      First of all you should find out whether the swollen testicle is due to hydrocele? You have to consult your physician. You can be fertile if your scrotum is swollen due to hydrocele. If you want to be sure, do a test for sperm count. Your sperm count will enable to confirm whether you are fertile.

      October 21, 2013
      Reply
  3. C.J. said:

    My left Testicle is twice the size of the right testicle. I have no pain. I am 73 and have undergone TURP (prostate operation) three years ago. I also had at the same time two stones in my bladder. The testicle feels as if it is full of fluid. Can you give me an answer as to what it is? Its cause and what can be done to correct it.

    January 28, 2014
    Reply
    • PUP said:

      If you have noticed an increase in the size of your testicles recently, you have to consult a surgeon. After examination he will be able to tell you if the condition is hydrocele (fluid in scrotum) or if there is a mass. Most probably as you have described, the condition seems to be hydrocele, however you need to consult your doctor. It can be treated permanently with surgery. If there is a mass, then too surgery is required to remove it.

      February 1, 2014
      Reply
  4. OL said:

    I am 32 years old. My left testis is swollen since ten years. It is larger than my right. Sometimes it reduces almost to the size of right testes. There is no pain. I have two children. What can I do to reduce the size as that of right testes?

    February 2, 2014
    Reply
    • PUP said:

      Right and left testes are frequently not equal in size. It is normal and there is no cause of worry. However, sometimes one testes gets enlarged and filled with fluid which we call as hydrocele. Usually It is a painless condition except for the enlarged size. To diagnose the condition, you have to visit a doctor as after physical examination only it is possible to know the problem.

      February 2, 2014
      Reply
  5. NK said:

    My left testis is enlarged since 7 years. Recently I consulted my doctor who told that it is hydrocele. The swollen testes is stony hard and painless, but the right testes is soft. I have done few blood tests as recommended by the doctor. I am worried whether the condition is hydrocele or filarial infection or a symptom of testicular cancer.

    July 9, 2014
    Reply
    • PUP said:

      If there is a doubt, sonogram of testes will help to reveal if there is fluid collection in the testes, or if there is a tumor like growth. Filariasis is a type of infection caused by mosquito. Along with testes swelling and other symptoms such as fever and chill are characteristic of filariasis. There is a blood test which detects filarial germs. Consult a urologist for second opinion.

      July 11, 2014
      Reply
  6. TM said:

    My age is 45 and my right testis is enlarged than the left. It is not painful and the swelling is since 6 months. What should I do?

    May 19, 2015
    Reply
    • PUP said:

      The swelling from your description seems to be due to hydrocele. The enlargement is due to accumulation of fluid in the testicular space. You have to consult a surgeon as after examination he will be able to tell you the diagnosis.

      May 20, 2015
      Reply
  7. HY said:

    I am 18 years old. My left testicle is swollen since few days. I have no pain. What can it be related with? Is it necessary for me to consult my doctor?

    March 26, 2018
    Reply
    • PUP said:

      Inflammation of testicles can be unilateral or bilateral. It can be painful or painless. The swelling can be hard to feel or soft. There are several reasons for swollen testicles. For example it can be due to hydrocele (collection of fluid in the testis), descending hernia can also cause swelling of testis on one side. There are many other causes. You will have to consult your doctor to find the exact cause.After taking medical history and examination your doctor will be able to know the cause. He may also recommend to do sonography test of the testis.

      August 13, 2018
      Reply
  8. DD said:

    My left testis is larger than right testis. It is almost 50 percent larger than the right one. I have observed this change recently. There is no pain and but the scrotal skin over left testicular area is tender. There is no change of color in scrotal skin.

    July 27, 2018
    Reply
    • PUP said:

      Unilateral testicular swelling can result from various reasons.
      • It can be caused as a result of descending hernia from the inguinal area.
      • Painless swelling of testis can also occur due to hydrocele. It is accumulation of fluid between two membranes of testis.
      • Varicocele is another cause for painless swelling of testis.
      • Lastly cancer of testis can also cause painless swelling. But it is stony hard to feel unlike hydrocele and varicocele.
      Since the scrotal skin over left testis is tender, just see whether it is itching? If yes there may be associated fungal infection besides the swelling.
      Although the swelling appears to be painless, it is necessary to consult your doctor to rule out any pathological causes as mentioned above. After examination, your doctor may suggest ultrasound of scrotum and testis or color doppler study.

      July 28, 2018
      Reply

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