Greenish Discoloration of the Glans: When to Seek Help - Urology

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Hello Dr.
Liu, today while I was taking a shower, I noticed that the glans penis (located at the lower part of the urethra) has turned a yellow-green color, close to green! What could this be? I don't have any unusual sensations when urinating, nor is there any discharge.
What could this be? Should I get it checked?

Mr. Wu, 20~29 year old female. Ask Date: 2012/10/05

Dr. Liu Jiaju reply Urology


Based on your description, the most likely issues are urethritis or balanitis.
It is recommended that you promptly visit a urology clinic for appropriate examination and treatment.
Thank you!

Reply Date: 2012/10/05

More Info


The greenish discoloration of the glans penis can be concerning, and it’s important to understand the potential causes and when to seek medical attention. Based on your description, it appears that you have noticed a yellow-green discoloration on the glans, particularly on the lower half near the urethra, without any accompanying symptoms like pain, unusual discharge, or changes in urination.
There are several potential explanations for this discoloration:
1. Normal Variations: Sometimes, the coloration of the glans can change due to various factors, including hygiene practices, skin conditions, or even the presence of smegma, which is a natural substance that can accumulate under the foreskin in uncircumcised individuals. If you have recently changed your hygiene routine or have not cleaned the area thoroughly, this could lead to a temporary discoloration.

2. Infections: A greenish tint can sometimes indicate an infection, particularly if it is accompanied by other symptoms such as itching, burning, or discharge. Common infections include sexually transmitted infections (STIs) like gonorrhea or chlamydia, which can cause changes in coloration and discharge. However, since you mentioned that you do not have any unusual discharge or discomfort, this may be less likely.

3. Fungal Infections: Fungal infections, such as candidiasis (thrush), can also lead to discoloration of the glans. This is more common in individuals with diabetes or those who are immunocompromised. Symptoms may include itching, irritation, or a white discharge, which you have not reported.

4. Dermatological Conditions: Certain skin conditions, such as psoriasis or eczema, can affect the genital area and lead to changes in color. These conditions may also cause dryness, flaking, or irritation.

5. Other Causes: In some cases, discoloration can be due to contact dermatitis from soaps, lotions, or other products that may irritate the skin.
Given that you do not have any significant symptoms, it may not be an immediate cause for alarm. However, it is advisable to monitor the situation closely. Here are some recommendations:
- Hygiene: Ensure that you maintain good hygiene by gently washing the area with mild soap and water. Avoid using harsh soaps or products that may irritate the skin.

- Observation: Keep an eye on the discoloration. If it persists, worsens, or if you develop any new symptoms (such as pain, itching, or discharge), it would be wise to seek medical attention.

- Consult a Healthcare Provider: If the discoloration does not resolve within a few days or if you have any concerns, it is best to consult a healthcare provider. A urologist or dermatologist can provide a thorough examination and determine if any further testing or treatment is necessary.

In summary, while the greenish discoloration of the glans may not be an immediate concern, it is important to monitor the situation and seek medical advice if symptoms change or persist. Early intervention can help address any underlying issues effectively.

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