Small Blisters on the Glans: Causes and Concerns

There are small blisters on the glans?

Last week, I injured my foot and was unable to shower for two days.
I took antibiotics for four days (which I have already stopped).
The day before yesterday, I noticed some slight discharge, and while showering yesterday, I thought it had been a while since I cleaned properly.
When I retracted my foreskin to clean, the shower water hit the glans, causing a brief pain.
Upon closer inspection, I found a few small blister-like bumps on the corona of the glans; they are neither painful nor itchy.
Additionally, the inner foreskin occasionally has some discharge.
Aside from my wife, I have not had any other sexual partners, and in the past two weeks, I have only had intercourse once, using a condom.
However, I frequently used gym towels at the gym two months ago.
Is it possible that I contracted a sexually transmitted infection?

Zhongnianren, 30~39 year old female. Ask Date: 2005/07/13

Dr. Liu Jianting reply Urology

Painless small blisters? Have they healed? Painful ulcers or blisters are more likely to indicate a herpes outbreak.
If you're concerned, it's best to consult a urologist.

Reply Date: 2005/07/13

More Info

When it comes to small blisters on the glans (the head of the penis), there are several potential causes that should be considered. Given your recent history of foot injury, antibiotic use, and the fact that you have not been able to maintain regular hygiene, it is important to approach this situation with caution.

1. Possible Causes:
- Irritation or Allergic Reaction: The blisters could be a result of irritation from soap, body wash, or even the water pressure from the shower. Sometimes, the skin can react to products that are not typically used on sensitive areas.

- Infection: While you mentioned that the blisters are not painful or itchy, it is still possible that they could be related to a mild infection. Bacterial infections can occur, especially if there was a break in the skin due to your foot injury or if hygiene was compromised.

- Herpes Simplex Virus (HSV): Although you mentioned limited sexual activity, herpes can sometimes present as small blisters. However, these typically come with other symptoms such as pain, itching, or flu-like symptoms.

- Folliculitis: This is an inflammation of the hair follicles that can occur in the genital area, leading to small, blister-like bumps.

- Pearly Penile Papules: These are small, harmless bumps that can appear on the glans and are often mistaken for other conditions. They are normal anatomical variations and do not require treatment.

2. Concerns:
- Given your recent use of antibiotics, it's possible that the balance of bacteria in your body has been altered, which could lead to fungal infections, such as candidiasis (yeast infection), particularly if you notice any unusual discharge or odor.

- The fact that you have not experienced any pain or itching is a positive sign, but it does not completely rule out the possibility of an infection or other condition.

3. Recommendations:
- Hygiene: Continue to maintain good hygiene by gently cleaning the area with mild soap and water. Avoid harsh soaps or products that may irritate the skin.

- Observation: Monitor the blisters for any changes. If they begin to change in appearance, become painful, or if you develop additional symptoms (such as fever, discharge, or increased irritation), it would be wise to seek medical attention.

- Consult a Healthcare Provider: If the blisters do not resolve within a week or two, or if you have any concerns about sexually transmitted infections (STIs), it is important to consult a healthcare provider. They may recommend a physical examination, and possibly tests to rule out infections or other conditions.

4. Prevention:
- To prevent future occurrences, ensure that you are using clean towels and avoid sharing personal items. If you are using gym facilities, be cautious about hygiene practices.

- Consider using barrier protection consistently during sexual activity to reduce the risk of STIs.

In summary, while the small blisters on the glans may not be a cause for immediate concern, it is essential to monitor the situation closely and maintain good hygiene. If symptoms persist or worsen, seeking medical advice is the best course of action to ensure proper diagnosis and treatment.

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