Persistent Itching and Urinary Issues: Seeking Answers Beyond Pubic Lice - Urology

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The penis is very itchy?


I was diagnosed with pubic lice in early April this year and underwent treatment, recovering in about one to two weeks.
However, about a month later, I experienced a recurrence (there was no sexual activity in between).
I found it strange and went to see a doctor again.
After applying medication, I recovered for a while, but around last Wednesday, I suddenly felt intense itching.
I have not had sexual intercourse for some time, and the itchy spots are almost the same as where I previously experienced itching from the pubic lice.
Each time I itch, it is always those same few spots.
I shaved the hair and switched to white underwear but did not find any lice or blood stains on the underwear.
I am currently undergoing topical treatment.
My primary physician also finds it strange; he mentioned that pubic lice have no source of transmission and should not recur, yet I am inexplicably itching again, unable to find any bugs, and there are no blood traces.
Besides pubic lice, what else could I possibly be infected with? Additionally, every time I itch, the lymph nodes in my groin swell, but they shrink back down once I recover.
Is this fluctuation due to the proximity of the infection site to the lymph nodes, making them sensitive?
Regarding my second question, I previously tested positive for a mild bacterial infection in my urine.
After treatment, I had two follow-up urine tests that showed no signs of inflammation, and both urine reports were normal.
However, I still have a persistent urge to urinate, and the volume is not much.
My doctor prescribed medication for overactive bladder, but after four days of taking it, I haven't noticed much improvement.
Should I undergo further testing? Thank you, doctor!

CA, 20~29 year old female. Ask Date: 2017/09/24

Dr. Du Shixi reply Urology


Hello: 1.
Pubic lice are now less common, so you may want to examine your living and laundry environments (to ensure that family members are not infected).
Regarding the lymph node issue, it may also be necessary to undergo a sexually transmitted infection (STI) screening, even if you haven't engaged in sexual activity for a while.
2.
It's important to stay hydrated by drinking plenty of water.
Avoid sugary drinks and spicy foods.
Medications for overactive bladder can be effective for some people, while others may not find them helpful, so it's best to start with lifestyle changes.

Reply Date: 2017/09/24

More Info


It sounds like you are experiencing a complex set of symptoms that may be related to multiple underlying issues. Let's break down your concerns regarding the persistent itching and urinary problems.


Persistent Itching
1. Recurrent Pubic Lice: You mentioned being diagnosed with pubic lice (Pthirus pubis) and having treated it successfully, only to experience a recurrence. While pubic lice typically do not have a significant reservoir outside of human hosts, it is possible for them to be reintroduced through contact with infested clothing, bedding, or towels. However, since you have not had sexual contact during this time, it raises the question of whether the itching could be due to another cause.

2. Other Possible Causes of Itching:
- Fungal Infections: Conditions such as tinea cruris (jock itch) can cause itching in the groin area and may be mistaken for pubic lice. This is a common fungal infection that thrives in warm, moist areas.

- Contact Dermatitis: Allergic reactions to soaps, detergents, or fabrics can lead to localized itching. Switching to hypoallergenic products may help.

- Skin Conditions: Conditions like eczema or psoriasis can also cause itching in the genital area.

- Sexually Transmitted Infections (STIs): Certain STIs can cause itching and irritation, even in the absence of sexual activity. It would be prudent to rule these out with appropriate testing.

3. Lymphadenopathy: The swelling of lymph nodes in the groin area can indicate an immune response to an infection or irritation. Since the lymph nodes are part of the immune system, they can react to various infections, including those that may not be directly related to the area of itching. The fluctuation in size of the lymph nodes correlates with your symptoms, suggesting an ongoing inflammatory process.


Urinary Issues
1. Persistent Urgency: You mentioned experiencing a constant urge to urinate despite normal urine tests. This can be frustrating and may indicate a condition known as overactive bladder (OAB). OAB can occur even after urinary tract infections (UTIs) have been treated, as the bladder may remain hypersensitive.

2. Medication and Further Evaluation:
- If the medication prescribed for OAB has not provided relief, it may be necessary to revisit your healthcare provider. They might consider adjusting the dosage or trying a different medication.

- Additional tests may be warranted, such as urodynamic studies, which assess how well the bladder and urethra are functioning. This can help determine if there are any underlying issues contributing to your symptoms.

3. Lifestyle Modifications: In addition to medication, lifestyle changes can also help manage symptoms. These may include:
- Bladder Training: Gradually increasing the time between urinations can help retrain the bladder.

- Dietary Adjustments: Avoiding irritants such as caffeine, alcohol, and spicy foods may reduce urgency.

- Pelvic Floor Exercises: Strengthening the pelvic floor muscles can improve bladder control.


Conclusion
Given the complexity of your symptoms, it is essential to maintain open communication with your healthcare provider. They may refer you to a specialist, such as a urologist or dermatologist, for further evaluation. Additionally, consider keeping a symptom diary to track your itching and urinary symptoms, which can provide valuable information for your healthcare team.

In summary, while pubic lice may have been the initial concern, other conditions could be contributing to your symptoms. Persistent urinary urgency, despite normal tests, warrants further investigation and possibly a reevaluation of your treatment plan. Don't hesitate to seek a second opinion if you feel your concerns are not being adequately addressed.

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