Genital Rashes: When to Seek Further Testing - Urology

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Hello Doctor, may I ask if the rash you mentioned is on the genital area or on the body? I had a test done in the fourth week after engaging in unprotected sexual intercourse, and everything was normal.
Do I need to get tested again? Currently, the glans is slightly red, and there are small white spots.
The doctor diagnosed it as being caused by a fungal infection.
Is it still possible that this could be a syphilis infection? Thank you for your time and response.

Chen, 20~29 year old female. Ask Date: 2017/04/06

Dr. Du Shixi reply Urology


Hello: I have seen both genital and systemic issues.
In your case, if you did not inform the physician about any unsafe sexual behavior during the outpatient visit, the physician will likely use the most common diagnoses to assess the situation.
If the partner involved in the unsafe sexual behavior is considered high-risk, I recommend that you get tested again (for syphilis and HIV).

Reply Date: 2017/04/06

More Info


When it comes to understanding genital rashes, it is crucial to recognize the various potential causes and the appropriate steps to take for further evaluation. Based on your description, it seems that you are experiencing some redness on the glans (head of the penis) along with small white spots, which have been diagnosed by a physician as being caused by a fungal infection. This is a common issue, often related to conditions such as candidiasis (yeast infection), which can occur in the genital area.

Given your history of unprotected sexual activity and the fact that you have already undergone testing for sexually transmitted infections (STIs) four weeks after the encounter, it is understandable to have concerns about the possibility of other infections, such as syphilis or other STIs. However, it is important to note that the timing of testing is critical. Many STIs have a window period during which they may not be detectable. For example, syphilis can take several weeks to show up on tests, and it is recommended to retest if there are ongoing symptoms or if the initial test was conducted too early.

In your case, since you have already been tested and the results were negative, the likelihood of having syphilis or another STI is lower, especially if you are not experiencing other symptoms such as sores, lesions, or systemic signs of infection (like fever or malaise). However, the presence of a rash or any changes in the genital area should not be ignored.
Here are some key points to consider regarding your situation:
1. Fungal Infections: These are common and can cause redness, irritation, and the appearance of small white spots. Treatment typically involves antifungal creams or medications, and it is essential to follow your doctor's recommendations.

2. Other STIs: If you notice any new symptoms, such as sores, unusual discharge, or persistent irritation, it would be wise to seek further testing. Conditions like herpes or syphilis can present with varied symptoms, and early detection is crucial for effective treatment.

3. Follow-Up: If your symptoms persist despite treatment for the fungal infection, or if you develop new symptoms, you should return to your healthcare provider for further evaluation. They may recommend additional tests, including a swab of the affected area or blood tests for STIs.

4. Safe Practices: Moving forward, practicing safe sex by using condoms can significantly reduce the risk of STIs. Regular check-ups and open communication with sexual partners about sexual health are also important.

5. When to Seek Help: If you experience severe pain, swelling, fever, or if the rash worsens or does not improve with treatment, you should seek medical attention promptly. These could be signs of a more serious infection that requires immediate care.

In summary, while your current symptoms may be attributed to a fungal infection, it is essential to remain vigilant about any changes in your genital area. If you have concerns about STIs or if your symptoms do not improve, do not hesitate to consult your healthcare provider for further testing and management.

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