Understanding Erection Angles: What's Normal for Men?
Angle Two days ago in the morning, I accidentally saw my roommate's erection. This was my first time seeing an erection from a male. I always thought that an erection at a 90-degree angle was normal, but I later found out that most people's erections are more vertical. ...
Dr. Liu Jianting reply Urology
People can be more frustrating than death! Young people are all quite similar; the angle doesn't matter, what’s important is being able to work.[Read More] Understanding Erection Angles: What's Normal for Men?
Understanding White Pubic Hair: Health Implications and Causes
Questions about pubic hair? Why do white pubic hairs appear? Is it related to health?
Dr. Liu Jianting reply Urology
It's normal! Just like some people have gray hair, it has nothing to do with health.[Read More] Understanding White Pubic Hair: Health Implications and Causes
Understanding Male Hormone Testing: Which Specialist to Consult?
I'm sorry, but I To check male hormones, which department should one visit? Is it urology or another specialty? How are male hormones tested? What can be done to increase male hormones? Are there risks associated with taking medication for this purpose?
Dr. Liu Jianting reply Urology
At the age of 21, your male hormone secretion is at its peak, and you are in the best developmental stage. Are there any issues? If there is an abnormal secretion, have your secondary sexual characteristics developed normally? If you still feel something is off, you might conside...[Read More] Understanding Male Hormone Testing: Which Specialist to Consult?
Does Frequent Masturbation Cause Weak Urination? Understanding the Connection
Is weak urination related to excessive masturbation? Hello doctor, I often feel weak when urinating, meaning that the flow of urine is not very fast even when I have a strong urge. It comes out slowly, and towards the end, I have a sensation of incomplete emptying, which makes me...
Dr. Liu Jianting reply Urology
Don't worry! It has nothing to do with it. However, for the issue with urination, please visit a hospital and consult a urologist to check if there is indeed a problem with incomplete bladder emptying.[Read More] Does Frequent Masturbation Cause Weak Urination? Understanding the Connection
Risk of STDs After Intimate Encounter: What You Need to Know
Could you please clarify what you mean by "菜花"? Are you referring to cauliflower or a specific medical condition? Hello, doctor: I went to a so-called half-service establishment out of curiosity. During the entire process, the lady was only wearing panties and used her ...
Dr. Liu Jianting reply Urology
It's not that serious! As you mentioned, the chances of contracting a sexually transmitted infection (STI) are low. You can check for any unusual growths over the next three months, and remember to use condoms next time.[Read More] Risk of STDs After Intimate Encounter: What You Need to Know
Understanding HIV Transmission Risks in Mutual Masturbation Scenarios
Will I get HIV? Hello, Dr. Liu. Yesterday, I engaged in mutual masturbation with a male partner, during which our glans made contact, and there may have been a slight transfer of semen. I am unsure if my partner is infected with HIV. What is the likelihood of me contracting HIV i...
Dr. Liu Jianting reply Urology
It looks quite concerning. As long as there is contact with bodily fluids during sexual intercourse, there is a chance of infection. It's not safe to assume that a low probability means there is no risk. I recommend that both of you go to the hospital for blood tests. Additi...[Read More] Understanding HIV Transmission Risks in Mutual Masturbation Scenarios
Understanding Pain During Urination: Causes, Tests, and Treatments
Question I experience a tight pain at the moment I finish urinating. I have seen similar symptoms in related discussions, and doctors have responded with the following possibilities: 1. Nerve involvement causing pain, 2. Urinary tract stones, possibly a stone in the right ureter,...
Dr. Liu Jianting reply Urology
It is indeed possible, but it may also not be the case. I recommend that you visit a hospital to consult with a urologist for a thorough examination and explanation.[Read More] Understanding Pain During Urination: Causes, Tests, and Treatments
Understanding Phimosis: Non-Surgical Solutions for Foreskin Issues
Prepuce Hello, doctor. I have a few questions. I previously visited a doctor who said I have a condition related to phimosis. When I am not erect, I can retract the foreskin behind the glans, but when I am erect, I cannot. If I try to retract it before an erection, it can be a bi...
Dr. Liu Jianting reply Urology
It seems that you have a condition known as phimosis. Surgery may be beneficial for you, and your current age is a good opportunity for the procedure. Be brave and consult a urologist for an examination, and of course, make sure to communicate with your parents beforehand.[Read More] Understanding Phimosis: Non-Surgical Solutions for Foreskin Issues
Struggling to Urinate: Causes and Home Remedies for Relief
Inability to urinate? Recently, I've been feeling like I can't urinate properly, even though my bladder feels a bit full and painful. I have to strain for a long time before I feel anything, but once I manage to urinate a little, it flows smoothly. Is this related to ho...
Dr. Liu Jianting reply Urology
It's really a bit strange?? It may not necessarily be related to long-term urinary retention, but fortunately, it was resolved in the end. However, I still recommend that you visit a urologist for an examination.[Read More] Struggling to Urinate: Causes and Home Remedies for Relief
Considering Vasectomy: Key Factors and Conditions to Know
I want to get sterilized? Hello, I previously asked a question about this, but what if I really decide to undergo sterilization? Would that meet the criteria for sterilization?
Dr. Liu Jianting reply Urology
Is that true? Let's talk to a urologist.[Read More] Considering Vasectomy: Key Factors and Conditions to Know
Can a 20-Year-Old Get a Vasectomy? Understanding Your Options
I want to undergo sterilization? Since I have no desire to have children, and my parents agree, can I undergo sterilization at the age of twenty?
Dr. Liu Jianting reply Urology
Really? There's no rush! There are many methods to avoid having children, and it doesn't necessarily have to involve sterilization. Let's talk about it later![Read More] Can a 20-Year-Old Get a Vasectomy? Understanding Your Options
Choosing the Right Underwear for Varicocele: Boxers vs. Briefs
Varicocele Last October, I experienced pain in the left side of my scrotum, so I went to the hospital for an ultrasound examination. It was confirmed that I have a varicocele. However, the doctor did not provide any treatment. Occasionally, I still feel pain in my left testicle. ...
Dr. Liu Jianting reply Urology
It is indeed difficult to choose; in fact, both triangular and square shapes are the same. Varicocele primarily results from poor venous return, which is especially noticeable when standing. Prolonged standing can sometimes lead to pain due to venous swelling. However, pain in th...[Read More] Choosing the Right Underwear for Varicocele: Boxers vs. Briefs
Understanding Post-Urination Shaking: Is It Normal or a Concern?
Post-void shivering Before high school, I would shake a little after urinating, but now I don't shake at all. I learned in biology that this is a reflex action (if I remember correctly). Now that it has suddenly stopped, could there be an issue related to that?
Dr. Liu Jianting reply Urology
That's right! But not having it doesn't mean there's a problem! Don't worry, it will come back.[Read More] Understanding Post-Urination Shaking: Is It Normal or a Concern?
Pain in the Upper Left or Right Side of the Penis: Causes and Concerns
Pain in the upper left or right side of the penis? The pain is located approximately 4 centimeters in the upper left or upper right area, and it does not occur on both sides simultaneously; it only hurts on one side at a time. However, when that side hurts, the corresponding test...
Dr. Liu Jianting reply Urology
It's a normal reaction! If you're concerned, you can visit a hospital and consult a urologist during an episode to check for any signs of infection. I recommend reading a book titled "About Sex" and "Misconceptions about Sexual Knowledge."[Read More] Pain in the Upper Left or Right Side of the Penis: Causes and Concerns
Understanding Post-Micturition Dribble: Causes and Solutions for Young Adults
The sensation of incomplete bladder emptying? Hello, doctor. I am a college student. I developed a habit of masturbation during middle school, and it was quite frequent. I had my first sexual experience with a female in my first year of high school. However, starting from my seco...
Dr. Liu Jianting reply Urology
Don't worry! It's not related at all! It has nothing to do with masturbation or the sensation of residual urine. It's normal to feel a bit of discomfort after urination; that's a natural phenomenon. Just stand for a moment to let it finish completely before pu...[Read More] Understanding Post-Micturition Dribble: Causes and Solutions for Young Adults
Understanding Urinary Pain and Genital Numbness After Cycling
Question Hello, I would like to ask about experiencing a tight pain when urinating, especially when I exert force. What could be the issue? (This occurs occasionally and not frequently.) Additionally, I often feel a slight numbness in the genital area after riding a bicycle. What...
Dr. Liu Jianting reply Urology
Don't worry! It's normal for people to occasionally experience pain or soreness in different areas. As long as there is no "redness," "swelling," "heat," or "severe pain," it's usually not a concern. Muscle soreness after exe...[Read More] Understanding Urinary Pain and Genital Numbness After Cycling
Understanding Testicular Discomfort After Frequent Masturbation
Is this a terrifying consequence after masturbation??? Doctor... I've been under a lot of stress lately, so I've been masturbating more frequently, almost once a day. Yesterday, after I finished, I suddenly felt some discomfort in my testicles, like a tightness. However...
Dr. Liu Jianting reply Urology
You're overthinking it! It's nothing to worry about! During ejaculation while masturbating, it's normal to experience contractions in the lower abdomen, and the testicles and spermatic cord may feel tense; that is a normal response.[Read More] Understanding Testicular Discomfort After Frequent Masturbation
Is Your Masturbation Habit Affecting Your Sexual Stamina?
Is this the consequence of masturbation? Hello doctor, I don't have a sexual partner and have never had one. I've always relied on DIY methods, but I've noticed a problem over the past year. Should I get this checked? In the past, I could last a long time during ma...
Dr. Liu Jianting reply Urology
No! No! I suggest you read a book titled "Misconceptions about Sexual Knowledge."[Read More] Is Your Masturbation Habit Affecting Your Sexual Stamina?
Can Oral Sex Transmit Herpes? Understanding Symptoms and Risks
Can oral sex transmit herpes? I recently noticed a lot of fine blood vessels appearing on my glans, and sometimes it feels a bit itchy. Additionally, I've also seen blood vessels in my eyes. It's unlikely that both areas are inflamed at the same time (and it's been...
Dr. Liu Jianting reply Urology
Don't overthink it! It should not be related to the rash or the eyes. If you're still concerned, it's best to visit a hospital and consult a urologist.[Read More] Can Oral Sex Transmit Herpes? Understanding Symptoms and Risks
Understanding Testicular Pain After Ejaculation: Causes and Concerns
Testicular pain? Doctor, recently after masturbating, my testicles feel a bit painful. After an erection for a while, my testicles also feel a bit painful and swollen. Sometimes after ejaculation, I still feel some pain down there. Doctor, is there something wrong with me?
Dr. Liu Jianting reply Urology
There's nothing wrong! The brief contractions after ejaculation can lead to similar sensations. I recommend you read a book titled "Misconceptions About Sexual Knowledge."[Read More] Understanding Testicular Pain After Ejaculation: Causes and Concerns