Sexual activity, Urology FAQ

Understanding Testicular Size Changes: Normal Variations and Concerns

Testicular issues Hello, doctor. I would like to inquire whether the testicles can expand or contract due to temperature changes, or if they can become larger than usual due to increased blood circulation during arousal. I've noticed that sometimes the left testicle appears ...

Dr. Du Shixi Reply:
Hello: In general, if there is a persistent swelling or lump, it is advisable to seek medical attention. Wishing you good health.

How to Safely Engage in Sexual Activity Without STI Risks

Methods to Avoid Being Infected with Sexually Transmitted Diseases (STDs) Hello doctor, I would like to know how to avoid sexually transmitted infections (STIs) while engaging in sexual activity with a partner. The best approach would be to ask the partner for their STI test resu...

Dr. Du Shixi Reply:
Hello: To prevent sexually transmitted infections, it is recommended to have a single sexual partner or to practice safe sex. If unsafe sexual behavior occurs, seek medical attention if symptoms arise. It is personally advised to get tested every three months to avoid the window ...

Understanding STD Risks After First Sexual Encounter: Key Insights

Probability of contracting a sexually transmitted infection (STI) Hello, doctor! I am a male. I previously engaged in sexual activities with a friend and would like to know the likelihood of contracting a sexually transmitted infection (STI) in this situation (this was my first s...

Dr. Du Shixi Reply:
Hello: 1. From the beginning, I used condoms for oral and vaginal intercourse (I changed the condom midway because my partner thought I had ejaculated, so we stopped to remove it; later, I told her I hadn't ejaculated, and we put on a new one to continue. However, there we...

Understanding Left Flank Pain: When to See a Urologist or Gynecologist

Left lower back pain? Hello, doctor. I would like to inquire about my left lower back pain. Yesterday (03/11) morning, I experienced pain on the left side of my lower back, which was severe enough to make me walk slowly, but I could still walk. The pain lasted all day, but this m...

Dr. Du Shixi Reply:
Hello: It is recommended to first check for gynecological causes due to the discharge. If an infection is present, it could have significant implications. If there are no gynecological issues, then consult a urologist. In the meantime, drink plenty of water and maintain good hygi...

How to Determine Healing of Skin Tears Before Resuming Sexual Activity

How to determine if a skin abrasion has healed and when it is safe to engage in sexual activity? Hello Doctor, I had a circumcision two months ago, and later I applied steroids due to eczema, which made my skin thinner. After the circumcision healed completely, I engaged in sexua...

Dr. Du Shixi Reply:
Hello: Normally, if the skin during an erection appears normal, it should be fine for sexual activity. Generally, it is uncommon for condoms to break. Wishing you good health.

Managing Persistent Urological Issues: Tips for Care and Recovery

I'm sorry, the question might be a bit confusing? Previously, I had a condition of phimosis, but it was loose enough to be easily retracted. Around mid-last year, I experienced discomfort in my penis and was diagnosed with simple herpes. Since then, I have had recurrent epis...

Dr. Du Shixi Reply:
Hello: 1. The glans and foreskin feel very wrinkled and dry. After washing with just water, there is a slight odor, and using body wash results in a dry, painful pulling sensation (it's hard to describe the pain, but it goes away quickly). How should I care for this to imp...

Understanding Prostate Issues: Concerns About Prostatitis in Young Men

Mammary gland inflammation Hello, Doctor. I had a urine test done a couple of weeks ago, and it showed no infection. I'm still worried that it might be prostatitis. The doctor mentioned that at my age, it's usually not common. However, last week I think I engaged in mas...

Dr. Du Shixi Reply:
Hello: There is still a possibility of sexual activity, but the chances of non-sexual activity at the age of 16 should be minimal. Wishing you good health.

Understanding Rash Near the Glans: Is It Genital Warts?

Rash near the glans penis? I have developed a rash near the glans and I'm very concerned that it might be genital warts.

Dr. Du Shixi Reply:
Hello: This facility cannot provide a diagnosis. If you have engaged in sexual activity, please seek medical attention. Wishing you good health.

Understanding HPV Infection Risks and Safe Practices in Relationships

The probability of HPV infection? 1. A non-detectable viral load generally indicates that the individual is not infectious. However, it is important to note that certain strains of HPV can still be present even when the viral load is undetectable. 2. The risk of infection depend...

Dr. Du Shixi Reply:
Hello: 1. Does an undetectable viral load mean no transmissibility? --> Not 100%, but if the virus is undetected, it should be much safer. 2. Is my risk of infection high? --> If the sexual partner has been thoroughly tested and has not had an outbreak for several months, t...

Understanding White Bumps on the Frenulum: When to See a Urologist

Frenulum problems of the glans? Hello, doctor. Tonight I noticed a white bump on the frenulum of the glans. It is not painful or itchy, and I'm unsure if I need to consult a urologist in person. The white bump is shown in the image: https://lurl.cc/axtOd. Thank you for your ...

Dr. Du Shixi Reply:
Hello: If you have engaged in sexual activity and have not done so in the past, even if it is minor, please seek medical attention. Wishing you good health.

Understanding White Bumps on the Frenulum: When to See a Urologist

Frenulum problems of the glans? Hello Doctor, I noticed a white bump on the frenulum of my glans tonight. It is neither painful nor itchy, and I am unsure if I need to consult a urologist in person. The white bump is shown in the image: https://lurl.cc/axtOd. Thank you for your h...

Dr. Du Shixi Reply:
Hello: This facility cannot provide a diagnosis. If there has been sexual activity or if there has not been in the past, it is recommended to consult a urologist for examination.

Understanding Painful Symptoms of Phimosis: Hygiene Tips and Care

Painful foreskin Hello doctor, I have phimosis, and recently, over the past month, I've noticed an increase in the white discharge on the glans and foreskin while showering. Sometimes when I retract the foreskin, I experience a stinging sensation, and occasionally I feel pai...

Dr. Du Shixi Reply:
Hello: The white discharge should be rinsed off and dried. It is recommended to use only water for rinsing, and not to use body wash. It is important to keep the area dry. If engaging in sexual activity, please practice safe sex. If the issue persists, seek medical evaluation. Wi...

Understanding Post-Ejaculation Pain: Causes and Solutions

Pain after ejaculation Hello doctor, I have been experiencing pain after ejaculation during masturbation recently. The pain doesn't last long, and I don't feel any significant burning sensation or pain when urinating. I'm wondering if this could be due to not drink...

Dr. Liu Mingyue Reply:
Hello: If you have engaged in sexual activity, please seek medical attention. If you have no sexual experience, please refrain from DIY activities, pay attention to exercise, and rest for about a week. Wishing you good health.

Understanding Post-Ejaculation Pain: Causes and Solutions

Pain after ejaculation Hello doctor, I have been experiencing pain after ejaculation during masturbation recently. The pain doesn't last long, and I don't feel any noticeable burning sensation or pain when urinating. I'm wondering if it could be due to not drinking...

Understanding Post-Ejaculation Pain: Causes and Solutions

Pain after ejaculation Hello doctor, I have been experiencing some pain after ejaculation during masturbation recently. However, the pain doesn't last long. I don't have any noticeable burning sensation or pain when urinating. I'm wondering if this discomfort after...

Post-Ejaculation Pain: Causes and Solutions for Discomfort

Experiencing pain after ejaculation? Hello doctor, I have been experiencing some pain after ejaculation during masturbation recently. The pain doesn't last long, and I don't have any noticeable burning sensation or pain when urinating. I'm wondering if this discomf...

Dr. Du Shixi Reply:
Hello: If you have engaged in sexual activity, please seek medical attention. If you have no sexual experience, please refrain from DIY activities, pay attention to exercise, and rest for about a week. Wishing you good health.

Should You Get Tested for HIV After a Long Period of No Sexual Activity?

HIV screening Hello, doctor. I would like to ask you about my situation. I haven't had sexual intercourse for three years. The last time I had sexual intercourse was three years ago with a sex worker. I used a condom, but after ejaculation, I discovered that the condom was n...

Dr. Du Shixi Reply:
Hello: It may not be necessary, but you should seek medical attention for recurrent fevers. Wishing you good health.

Concerns About HIV Infection from Shared Sex Toys: What You Need to Know

Concerns about HIV infection? I would like to ask the doctor, I recently purchased a masturbator, and if someone used it before I washed it (approximately five days, at least 120 hours, in a sealed condition), and during my washing, I had a cut on my finger that was bleeding, is ...

Dr. Du Shixi Reply:
Hello: The chances are very low, and transmission primarily occurs through sexual activity. Wishing you good health.

Understanding Genital Warts: Testing, Treatment, and Relationship Concerns

Genital warts Hello Dr. Du: My spouse was diagnosed with genital warts at the end of August 2023 and immediately underwent laser removal of the lesions. Since the wound has healed, there have been no visible new lesions. In early February 2024, an HPV DNA test (urine sample) was ...

Dr. Du Shixi Reply:
Hello: 1. Can the above tests confirm that I am not infected? What else can I do? --- It is not 100% certain, but the likelihood is very high. What you can do is to monitor and have regular check-ups. 2. How long after can I resume sexual activity? Is it safe to have unprotect...

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