Is Your Semen Yellow and Thick? Potential Causes - Urology

Share to:

The semen of a high school sophomore resembles phlegm?


I am currently in my second year of high school and I masturbate about twice a day.
It has been normal until recently, but I noticed that the semen has a yellowish color, similar to phlegm.
Even after holding off for two days, it still appears yellow.
Am I suffering from some kind of illness, or is it just due to frequent masturbation that I need to cut back on? I also have a semen cyst.

Kevin, 10~19 year old female. Ask Date: 2016/02/20

Dr. Xu Weikai reply Urology


Kevin: Hello, it is recommended to visit a hospital or laboratory for a semen analysis.
If there are any unclear points, feel free to ask again, and we can discuss and research further.
Answers found online should only be used as a reference; it is essential to seek medical attention at a healthcare facility when necessary.
This message is from Dr.
Hsu Wei-Kai, Director of the Urology Department at Taitung Hospital, Ministry of Health and Welfare.

Reply Date: 2016/02/20

More Info


Experiencing changes in semen color and consistency can be concerning, especially for a young individual. The observation that your semen has become yellow and thick, resembling phlegm, warrants a closer look at potential causes and implications.

Firstly, it’s important to understand that semen can vary in color and consistency due to a variety of factors, including hydration levels, diet, and sexual activity frequency. Yellow semen can sometimes be attributed to the presence of certain substances, such as bilirubin, which can be a result of various physiological conditions. However, it is also possible that dietary factors, such as consuming foods rich in carotenoids (like carrots or certain fruits), could contribute to a yellowish tint.

In your case, since you mentioned that you have a history of a spermatocele (a cyst in the epididymis), it’s essential to consider how this condition might influence your symptoms. While a spermatocele is generally benign and often asymptomatic, it can sometimes lead to changes in semen characteristics if it becomes inflamed or infected.
Frequent ejaculation, such as the two times a day you mentioned, can also lead to temporary changes in semen quality. Overstimulation of the reproductive system may result in a thicker consistency, and if the body is not adequately hydrated, this can further affect the viscosity of the semen.
However, if the yellow coloration persists, or if you experience additional symptoms such as pain, swelling in the genital area, or changes in urinary habits, it would be prudent to seek medical advice. Conditions such as infections (e.g., prostatitis or epididymitis) could lead to changes in semen color and consistency, and these conditions often require medical intervention.

In summary, while occasional changes in semen color and consistency can be normal and may be influenced by lifestyle factors, persistent changes, especially those accompanied by other symptoms, should be evaluated by a healthcare professional. A urologist can perform a thorough examination, possibly including a semen analysis, to rule out any underlying issues and provide appropriate guidance.
In the meantime, consider monitoring your hydration levels, dietary habits, and sexual activity frequency. Reducing the frequency of ejaculation may also help in assessing whether the changes in semen are temporary or indicative of a more significant issue. Remember, open communication with a healthcare provider is key to addressing any concerns you may have regarding your reproductive health.

Similar Q&A

Understanding Yellow and Thick Semen: Causes and Concerns

Dr. Yan, I noticed that the semen I ejaculated yesterday and today was very yellow and thick, and it flowed out slowly. What could be the reason for this?


Dr. Yan Dawei reply Urology
It is recommended to visit a urology clinic for examination.

[Read More] Understanding Yellow and Thick Semen: Causes and Concerns


Understanding Yellow and Thick Semen: Causes and Concerns

Hello, doctor. A few weeks ago, after masturbating, I noticed some slight blood streaks in my semen. After abstaining for a few days, I masturbated again and did not see any blood, but the semen was somewhat yellow and had a consistency similar to phlegm. After abstaining for two...


Dr. Li Xinyi reply Urology
The semen appears yellowish and viscous, which may be related to varicocele. It is recommended to consult a urologist for a semen analysis and discuss the findings with the physician.

[Read More] Understanding Yellow and Thick Semen: Causes and Concerns


Understanding Semen Issues: Causes of Changes in Consistency and Hardness

Doctor, I am 31 years old and have been experiencing some issues for the past six months. I suddenly noticed a change from firm erections to semi-erections, and my semen has been watery and yellowish, resembling water. This has been going on for almost a year now. It doesn't...


Dr. Sun Hongshun reply Urology
Hello, generally speaking, the color of semen is determined by its composition. Normal semen is grayish-white or slightly yellowish. Sometimes, abstinence can cause the color to appear more yellow, which is considered normal. However, if you notice that the semen is yellow and ha...

[Read More] Understanding Semen Issues: Causes of Changes in Consistency and Hardness


Understanding Yellow Semen: Causes and Concerns in Urology

I have noticed that the semen I ejaculate has been yellow in color for the past few months. What could be the cause of this? Thank you.


Dr. Liu Jiaju reply Urology
If multiple attempts at ejaculation result in persistent yellow semen, accompanied by painful ejaculation, it is advisable to visit a urologist for a semen analysis to rule out the possibility of infection.

[Read More] Understanding Yellow Semen: Causes and Concerns in Urology


Related FAQ