Concerns About Mysterious Substance on Genitals After One-Night Stand - Dermatology

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Someone was smeared with an unknown substance..?


The situation is as follows: I had a one-night stand with an unfamiliar woman.
During the encounter, an unknown substance was applied to my genitalia, and in the heat of the moment, I didn't think much of it.
In hindsight, I really regret it.
It has been about five months since the incident, and I feel that my skin is normal; I have checked and only found eczema, but I'm not sure about anything else.
By the way, a few months ago, I noticed some parasites in the hair-covered areas of my genitalia.
I went to see a urologist, received medication, and had the hair removed, and everything has returned to normal since then.
I'm very worried that my genitalia might deteriorate due to the unknown substance that was applied.
I'm so anxious that I'm on the verge of a mental breakdown.
Doctor, what should I do?

Liang, 20~29 year old female. Ask Date: 2016/03/21

Dr. Wu Yuxin reply Dermatology


The information you provided is too limited, and without actually seeing the lesion, it cannot be confirmed.
If it is causing significant distress, it is advisable to seek medical attention as soon as possible.

Reply Date: 2016/03/21

More Info


It sounds like you are experiencing significant anxiety and concern regarding your sexual health following a one-night stand. It's important to address both your physical and mental health in this situation.
Firstly, regarding the mysterious substance that was applied to your genitals, it is crucial to understand that many substances can cause irritation or allergic reactions, especially in sensitive areas. If you have not experienced any severe symptoms such as persistent pain, unusual discharge, or lesions, it is a positive sign. However, the fact that you are feeling anxious about this situation is understandable, and it is essential to take your concerns seriously.

You mentioned that you have been experiencing eczema, which is a common skin condition that can cause dry, itchy patches. Eczema can sometimes be exacerbated by irritants, including soaps, lotions, or even bodily fluids. If the substance you encountered was irritating, it could have contributed to your skin condition. It’s advisable to continue monitoring your skin and consult a dermatologist if the eczema persists or worsens.

Regarding the concern about the "worms" you mentioned, it sounds like you may have experienced a case of pubic lice or another parasitic infection. It's good to hear that you sought medical attention and that the issue has been resolved. However, if you notice any new symptoms or have concerns about sexually transmitted infections (STIs), it is essential to get tested. Many STIs can be asymptomatic, so regular testing is a good practice, especially after new sexual encounters.

Your anxiety about the potential long-term effects of the substance on your genitals is understandable, but it’s important to remember that many concerns can be alleviated through proper medical evaluation. If you are still feeling anxious or if your mental health is suffering due to this situation, consider speaking with a mental health professional. They can help you work through your feelings and develop coping strategies for your anxiety.

In the meantime, here are some steps you can take to manage your health and anxiety:
1. Seek Medical Advice: If you haven't already, consider visiting a urologist or a sexual health clinic for a thorough examination. They can provide you with the necessary tests to rule out any STIs or other concerns.

2. Monitor Symptoms: Keep an eye on any changes in your genital area. If you notice any unusual symptoms such as pain, swelling, or discharge, seek medical attention promptly.

3. Practice Safe Sex: Moving forward, ensure that you practice safe sex by using condoms. This can help prevent STIs and reduce anxiety about future encounters.

4. Manage Anxiety: If your anxiety is overwhelming, consider speaking with a therapist or counselor. They can help you develop strategies to cope with your feelings and reduce stress.

5. Educate Yourself: Sometimes, understanding more about sexual health can alleviate fears. Consider reading reputable sources or speaking with healthcare professionals to gain a better understanding of your concerns.

6. Self-Care: Engage in activities that promote relaxation and well-being, such as exercise, meditation, or hobbies that you enjoy.

Remember, it’s completely normal to feel anxious after an encounter like this, but taking proactive steps can help you regain a sense of control over your health and well-being. If you have any further questions or concerns, don’t hesitate to reach out for professional help. Your health—both physical and mental—is important, and there are resources available to support you.

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