Penile Issues: Symptoms and Potential STDs Explained - Urology

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Penile issues


Hello doctor, I had an encounter with a woman on a certain day.
During oral sex, she did not use a condom, but we did use one during intercourse.
About one to two days later, I noticed redness and swelling on both sides of the foreskin, but there was no pain or itching.
I applied Meikang ointment, but then the area between the frenulum and the glans also started to become red and swollen, and small lumps appeared that were painful.
After another two to three days, the red and swollen areas began to have yellow, thick discharge.
I have been continuously applying medication, but the symptoms seem to be getting worse.
It has been two weeks since the symptoms started, and I have already made an appointment, but I have to wait a few days.
I would like to ask you, doctor, do you think I have contracted a sexually transmitted infection?

Lin, 20~29 year old female. Ask Date: 2023/03/11

Dr. Du Shixi reply Urology


Hello: It is advisable to seek medical attention first.
Most general hospitals can see you on the same day.
The presence of discharge is highly indicative of a urinary tract infection rather than a typical skin inflammation.
Wishing you good health.

Reply Date: 2023/03/11

More Info


It's understandable to be concerned about your symptoms following a sexual encounter, especially when they involve changes in the genital area. Based on the information you've provided, it sounds like you are experiencing a series of symptoms that could potentially be related to a sexually transmitted infection (STI), but there are also other possibilities to consider.

The symptoms you describe—redness and swelling on both sides of the foreskin, pain, and the presence of yellow, thick discharge—are concerning and warrant medical attention. The fact that you engaged in oral sex without a condom and then had protected intercourse does increase the risk of STIs, particularly if the partner had any infections. Common STIs that can cause similar symptoms include gonorrhea, chlamydia, and herpes, among others.

1. Gonorrhea and Chlamydia: These are two of the most common bacterial STIs. They can cause urethritis, which may present with symptoms such as discharge, pain during urination, and swelling. The yellow discharge you mentioned could be indicative of one of these infections.

2. Herpes: This viral infection can cause painful sores or blisters in the genital area. While you didn't mention sores, the redness and swelling could still be related to a herpes infection, especially if there was any prior exposure.

3. Balanitis: This is an inflammation of the glans (the head of the penis) and can be caused by various factors, including infections, irritants, or poor hygiene. It can lead to redness, swelling, and discharge. If you have a history of diabetes or are uncircumcised, you may be at higher risk for balanitis.

4. Other Infections: There are other less common infections that could also cause similar symptoms, including yeast infections or other fungal infections, especially if there are underlying conditions like diabetes or if you have been using topical treatments that could irritate the skin.

Given that your symptoms have persisted for two weeks and seem to be worsening, it is crucial to see a healthcare provider as soon as possible. They will likely perform a physical examination and may take samples for laboratory testing to determine the exact cause of your symptoms. This may include urine tests, swabs from the affected area, or blood tests for STIs.

In the meantime, here are some recommendations:
- Avoid Sexual Activity: Until you have been evaluated and treated, it's best to refrain from any sexual activity to prevent potential transmission to partners and to avoid exacerbating your symptoms.


- Maintain Hygiene: Keep the area clean and dry. Avoid using any topical creams or ointments unless prescribed by a healthcare provider, as these could irritate the area further.

- Monitor Symptoms: Keep track of any changes in your symptoms, including the appearance of new lesions, changes in discharge, or any additional discomfort.

- Stay Informed: Educate yourself about STIs and their symptoms. Understanding the risks and prevention methods can help you make informed decisions in the future.

In conclusion, while your symptoms could indicate an STI, only a healthcare professional can provide an accurate diagnosis and appropriate treatment. It's good that you have already scheduled an appointment, and I encourage you to attend it for a thorough evaluation. Remember, early diagnosis and treatment are key to managing STIs effectively.

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