Redness and Swelling in the Penis: Causes and Treatments - Urology

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Glans, foreskin, and sexually transmitted infections (STIs)?


Hello, doctor.
After engaging in high-risk behavior, I went to the hospital for blood tests, and the doctor said there was no infection from HIV or syphilis.
However, I now have some redness and swelling on the glans, and the skin on both sides of my thighs initially peeled, and now the foreskin has also developed redness.
I consulted a urologist, who diagnosed it as a bacterial infection and prescribed medication for topical application, but despite applying the medication daily, there has been little improvement.
What could this condition be? Thank you.

Mr. Wei, 20~29 year old female. Ask Date: 2016/10/29

Dr. Sun Hongshun reply Urology


Hello: It doesn't sound like the types of sexually transmitted infections you mentioned (however, it is still recommended to follow up with an infectious disease specialist in 1-2 months).
The redness, swelling, and peeling of the glans you described are suspected to be balanoposthitis.
It is advised to consult a urologist or dermatologist for examination and treatment.
Wishing you good health.

Reply Date: 2016/10/29

More Info


Redness and swelling in the genital area, particularly after engaging in high-risk sexual behavior, can be concerning and may indicate various underlying conditions. Based on your description, it seems that you have already taken the right steps by consulting a healthcare professional and undergoing testing for sexually transmitted infections (STIs), which returned negative results for HIV and syphilis. However, the persistent redness and swelling in the glans (tip of the penis) and the peeling skin on the thighs and foreskin suggest that there may be a localized infection or inflammatory condition that requires further attention.

The symptoms you are experiencing could be attributed to several potential causes:
1. Bacterial Infection: As your urologist mentioned, a bacterial infection is a possibility. Conditions such as balanitis (inflammation of the glans) can occur due to bacteria, particularly if there is poor hygiene, irritation from soaps or lotions, or an underlying skin condition. If the prescribed topical medication is not yielding results, it may be necessary to revisit your doctor for a reassessment. Sometimes, a different antibiotic or a longer course of treatment may be required.

2. Fungal Infection: Another common cause of redness and irritation in the genital area is a fungal infection, such as candidiasis (yeast infection). This can occur in warm, moist areas and may present with redness, swelling, and peeling skin. Antifungal creams or medications may be necessary to treat this condition.

3. Contact Dermatitis: Irritation from soaps, detergents, or even condoms can lead to contact dermatitis, which manifests as redness and swelling. If you have recently changed any products you use in the genital area, consider discontinuing them to see if your symptoms improve.

4. Sexually Transmitted Infections (STIs): While your initial tests for HIV and syphilis were negative, other STIs such as herpes or gonorrhea could still be a possibility. If your symptoms persist, it may be worthwhile to discuss further testing for other STIs with your healthcare provider.

5. Psoriasis or Other Skin Conditions: Conditions like psoriasis or eczema can also affect the genital area, leading to redness, scaling, and irritation. These conditions may require specific treatments, including topical steroids or other dermatological therapies.

Given that you have been using the prescribed medication without improvement, it is crucial to follow up with your healthcare provider. They may recommend additional tests, a different treatment approach, or a referral to a dermatologist for further evaluation. It is essential to communicate all your symptoms clearly, including any changes in the appearance of the skin, any new symptoms, or any other health issues you may be experiencing.

In the meantime, here are some general tips to help manage your symptoms:
- Maintain Hygiene: Gently clean the area with mild soap and water, and ensure it is thoroughly dried afterward.

- Avoid Irritants: Refrain from using harsh soaps, lotions, or any products that may irritate the skin.

- Wear Loose Clothing: Opt for breathable, loose-fitting underwear to reduce moisture and friction in the area.

- Avoid Sexual Activity: Until the symptoms resolve, it may be wise to avoid sexual activity to prevent further irritation or potential transmission of infections.

In conclusion, while your initial tests are reassuring, the persistence of your symptoms warrants further investigation. A collaborative approach with your healthcare provider will be essential in identifying the underlying cause and determining the most effective treatment plan.

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