White Spots on Underwear: A Urology Perspective - Urology

Share to:

There are some white spots on my underwear after getting up?


Upon waking up, I noticed some white spots on my underwear that appear to be dried liquid stains, approximately four or five in number.
Could the doctor provide some insight on this?

Niming, 20~29 year old female. Ask Date: 2023/01/12

Dr. Chen Jiansheng reply Urology


Please seek medical attention.

Reply Date: 2023/01/12

More Info


When you notice white spots on your underwear, especially after waking up, it can be concerning and may lead to questions about its origin and implications for your health. From a urology perspective, these white spots can be attributed to several factors, primarily involving bodily secretions.

The most common explanation for white spots on underwear is the presence of dried semen. This can occur due to nocturnal emissions, commonly referred to as "wet dreams." During sleep, particularly in males, the body can experience spontaneous ejaculation, which may not always be accompanied by conscious awareness. This is a normal physiological occurrence, especially during puberty and young adulthood, but it can happen at any age. The white substance you see is typically a combination of sperm and seminal fluid, which can dry and leave spots on fabric.

Another possibility is the presence of pre-ejaculatory fluid, which is a clear to slightly cloudy fluid that can be released from the penis during sexual arousal. This fluid can also dry and leave spots on underwear, although it is usually less substantial than ejaculate.

In some cases, if the white spots are accompanied by other symptoms such as itching, burning, or an unusual odor, it may indicate an underlying condition such as a yeast infection, bacterial infection, or other urological issues. For example, a fungal infection can lead to white patches or spots that may be mistaken for dried semen. If you experience any discomfort or changes in urination, it is advisable to consult a healthcare professional for a thorough evaluation.

It's also worth noting that lifestyle factors can contribute to the frequency of nocturnal emissions. Stress, hormonal changes, and sexual activity can all influence the occurrence of these emissions. If you find that you are experiencing frequent nocturnal emissions and it is causing distress or impacting your sleep, it may be helpful to discuss this with a healthcare provider who can offer guidance and support.

In summary, while white spots on your underwear can often be attributed to normal physiological processes like nocturnal emissions, it is essential to pay attention to any accompanying symptoms. If you have concerns about your urological health or if the spots are associated with discomfort, seeking medical advice is the best course of action. A healthcare professional can provide a proper diagnosis and recommend appropriate treatment if necessary. Remember, maintaining good hygiene and being aware of your body’s signals are key components of overall health.

Similar Q&A

Understanding Urethral Issues: Symptoms, Diagnosis, and Next Steps

Hello Dr. Du, I have noticed some small white spots near the urethral opening and on the inner surface of the foreskin. Some of these spots are slightly raised, while others feel like they are beneath the skin. They are mostly surrounding the urethral opening and are more noticea...


Dr. Du Shixi reply Urology
Hello: It is recommended that you perform another midstream urine test. Additionally, just keep the skin clean; do not open the urethral orifice, as it may cause unnecessary inflammation. Thank you for your inquiry.

[Read More] Understanding Urethral Issues: Symptoms, Diagnosis, and Next Steps


Understanding White Spots on the Foreskin: Causes and Concerns

Recently, there have been small white spots on the foreskin that are not painful or itchy. They resemble a fungal infection, but they disappear after an erection. I usually notice them when using the restroom.


Dr. Du Shixi reply Urology
Hello: Keep the area clean and dry, washing with clean water is sufficient. Wear loose-fitting underwear. If it hasn't improved in 2-3 days, please consult a urologist at the hospital. Wishing you good health.

[Read More] Understanding White Spots on the Foreskin: Causes and Concerns


White Bumps Near Urethra: Concerns and Insights for Teens

I have a row of white spots on both sides of my urethral opening (both sides). They are more noticeable when I have an erection, and they can also be seen when the skin is pulled flat when not erect. They appear to be under the skin and are not very protruding. I'm worried i...


Dr. Du Shixi reply Urology
Hello: The chances of infection without sexual activity are very low. It is advisable to monitor if there are any changes. Good hand hygiene is important and can help protect yourself. Wishing you good health.

[Read More] White Bumps Near Urethra: Concerns and Insights for Teens


White Spots on Glans: Causes, Symptoms, and When to See a Doctor

Hello Dr. Lin, I have white spots on my glans and I haven't had sexual intercourse for 3 to 4 months. This is my first time asking a question here, so please help me understand. Thank you. I noticed these spots while masturbating two days ago, and sometimes there is itching ...


Dr. Lin Hexing reply Urology
Hello: First, you should clarify why you are concerned about a sexually transmitted infection (STI). Have you had any unprotected sexual contact? If not, there is no need to worry about STIs! To get to the point, when you mention white spots on the glans, can you specify the exac...

[Read More] White Spots on Glans: Causes, Symptoms, and When to See a Doctor


Related FAQ

Red Spots

(Urology)

Pubic Lice

(Urology)

Pearl Lesions

(Urology)

Itching

(Urology)

Eczema

(Urology)

Exposed Glans

(Urology)

Genital Warts Infection

(Urology)

Folliculitis

(Urology)

Hypospadias

(Urology)

Urinary Incontinence

(Urology)