Understanding Painful Bumps on the Penis: Causes and Treatments
Above the glans? Doctor, I have a bump on my glans that looks like a pimple. It has been there for two days, and it hurts when I touch it. It seems like it might have pus. What could this be?
Dr. Lai Ronghao reply Urology
Hello: You may have a bacterial infection, please seek medical attention at the hospital as soon as possible.[Read More] Understanding Painful Bumps on the Penis: Causes and Treatments
Understanding Premature Ejaculation: Causes and Lifestyle Solutions
The speed of ejaculation? Premature ejaculation refers to the condition where ejaculation occurs shortly after penetration. If this is the case, what are the treatment options? Besides consulting a doctor, are there lifestyle changes that can help improve this condition?
Dr. Lai Ronghao reply Urology
Hello: I'm not sure about your sexual experience, but it's best to have a check-up with a physician.[Read More] Understanding Premature Ejaculation: Causes and Lifestyle Solutions
Understanding Penile Size and Health Concerns Before Military Service
I do not appear like a normal person when I am not erect? As mentioned in the topic, when I am not erect, my penis is shorter than others and does not hang down like most. When I do get an erection, I also experience phimosis, and retracting it causes pain. Is this a significant ...
Dr. Lai Ronghao reply Urology
Hello: Don't be afraid of being laughed at; it's best to get checked at the hospital.[Read More] Understanding Penile Size and Health Concerns Before Military Service
Understanding Frequent Urination: Causes and Solutions for Low Urine Output
Urination Frequent urination with a small volume of urine is known as urinary frequency.
Dr. Lai Ronghao reply Urology
Hello: Please visit the urology clinic for further examination and treatment.[Read More] Understanding Frequent Urination: Causes and Solutions for Low Urine Output
Understanding Glans Exposure: Is Complete Coverage Necessary?
Exposed glans penis? Hello Dr. Lai: Thank you for your response. I have tried to pull back the foreskin to cover the glans, but it retracts on its own. Is this a problem? Should the glans be completely covered when not erect? I apologize for bothering you again!
Dr. Lai Ronghao reply Urology
Hello: Please seek medical attention as soon as possible.[Read More] Understanding Glans Exposure: Is Complete Coverage Necessary?
Understanding Glans Peeling: Causes and When to Seek Help
Peeling of the glans? Hello, I would like to ask about something. I have recently noticed some peeling on the glans of my penis. When I was showering, it looked a bit white, like skin. This is the first time this has happened to me. Is this normal? There is no pain or itching, bu...
Dr. Lai Ronghao reply Urology
Hello: It may be due to sweat and dirt buildup. Please pay attention to hygiene. If the condition does not improve, seek medical attention as soon as possible.[Read More] Understanding Glans Peeling: Causes and When to Seek Help
Understanding Glans Exposure: Concerns and Solutions for Foreskin Issues
Glans issues Hello, Doctor Lai: Today, I experienced a situation where my foreskin, which normally covers most of the glans, retracted due to vigorous masturbation, leaving the entire glans exposed. Afterward, the glans became engorged and appeared very red, causing me significan...
Dr. Lai Ronghao reply Urology
Hello: Please try to pull the foreskin back to cover the glans, which may help alleviate discomfort. If there is still no improvement, please seek medical attention as soon as possible.[Read More] Understanding Glans Exposure: Concerns and Solutions for Foreskin Issues
Understanding Painful Urination: Causes and When to Seek Help
excuse me? Hello, regarding the feeling of tightness and pain when straining to urinate (P.S. urine is able to flow), the response from Dr. Lai Rong-Hao, a urologist, suggests: Hello, it may be due to a urinary tract infection or urethritis. It is best to visit a urology clinic f...
Dr. Lai Ronghao reply Urology
Hello: Let's observe for a while. Remember to drink plenty of water. If the condition does not improve, you must seek medical attention to avoid delaying treatment.[Read More] Understanding Painful Urination: Causes and When to Seek Help
Understanding Pain and Tension During Urination: Causes and Solutions
Urinary issues? What could be the reason for feeling tightness and pain when straining during urination, even though urine is being expelled?
Dr. Lai Ronghao reply Urology
Hello: It may be a urinary tract infection or urethritis. It is best to visit a urology clinic for an examination.[Read More] Understanding Pain and Tension During Urination: Causes and Solutions
Understanding Urinary Issues: Delayed Urination and Abdominal Pain
Urination I have to wait a long time when I urinate, and when I really need to go, I only urinate a small amount. I have experienced urinary retention, and I have pain on the right side of my abdomen.
Dr. Lai Ronghao reply Urology
Hello: It is recommended that you first visit the urology outpatient clinic for further examination and treatment to determine the cause.[Read More] Understanding Urinary Issues: Delayed Urination and Abdominal Pain
Can Stool Samples Be Used to Match DNA from Different Individuals?
Can human feces be tested for DNA? Yes, it is possible to compare DNA from feces to determine if it comes from the same individual. Fecal matter contains cells that can be analyzed for DNA, allowing for genetic comparison. However, the process can be complex and may require speci...
Dr. Lai Ronghao reply Urology
Hello: It is recommended that you consult a gastroenterologist or a hepatobiliary specialist.[Read More] Can Stool Samples Be Used to Match DNA from Different Individuals?
Long-Term Effects of Anesthetic Cream on Glans Sensitivity
Topical anesthetics applied to the glans penis? Using anesthetic agents as a long-lasting spray or application on the glans penis to induce numbness may have potential side effects over time. Prolonged use could lead to issues such as decreased sensitivity, potential skin irritat...
Dr. Lai Ronghao reply Urology
Hello: It may cause numbness in the glans, so it is best not to use it frequently.[Read More] Long-Term Effects of Anesthetic Cream on Glans Sensitivity
Understanding Blood in Urine: Causes, Prevention, and Treatment
Hematuria Hello Dr. Lai, I have a habit of running, and about two months ago, I noticed blood in my urine after running. This does not happen every time, and after resting and drinking water, my urine returns to normal in 2-3 hours. Could you please explain why I have hematuria, ...
Dr. Lai Ronghao reply Urology
Hello: Blood in the urine after exercise should be taken seriously, as it may indicate issues with the kidneys or urinary tract. It is advisable to consult a urologist or nephrologist for an examination.[Read More] Understanding Blood in Urine: Causes, Prevention, and Treatment
Should You Consider Circumcision for Phimosis? Expert Insights
Phimosis (excessive foreskin) issue? Hello, doctor. This afternoon, I visited a urologist at Taipei Hospital to see if I need a circumcision. The doctor examined my condition when not erect and said that circumcision is optional. The doctor suggested that I might not need it, but...
Dr. Lai Ronghao reply Urology
Hello: If you experience pain from pulling on the foreskin during intercourse, you may consider circumcision. If you cannot find the time for the procedure, you can consult a doctor to apply a topical corticosteroid ointment to see if it helps loosen the foreskin a bit.[Read More] Should You Consider Circumcision for Phimosis? Expert Insights
Understanding Kidney Stones: When to Seek Further Medical Attention
Kidney stone inquiry? Hello Dr. Lai, I was diagnosed with kidney stones a day ago and have seen a urologist. The doctor informed me that the stones have moved to the bladder, but I still feel discomfort in my lower back and bladder the next day. Additionally, I noticed blood in m...
Dr. Lai Ronghao reply Urology
Hello: Trust your attending physician, observe for a few days, and if you feel any discomfort, please return to the urology clinic for evaluation.[Read More] Understanding Kidney Stones: When to Seek Further Medical Attention
Understanding Low Urine Output: Causes and Health Implications
Not drinking enough water? Hello, doctor. I would like to ask you about a situation I often experience. Sometimes, throughout the day, I don't drink much water, so I urinate very little. However, around 9 or 10 PM, I consistently feel the urge to urinate, but when I go to th...
Dr. Lai Ronghao reply Urology
Hello: If you drink less water, your urine output will decrease. It is recommended that you increase your water intake. If you have any concerns, you may visit a urology clinic for an examination. Masturbation is a normal phenomenon, so there is no need to worry excessively.[Read More] Understanding Low Urine Output: Causes and Health Implications
Is a 25-Degree Curvature of the Penis Normal? Understanding Causes and Concerns
The issue of penile curvature? Is a 25-degree bend of the penis to the left considered normal? Is the curvature of the penis congenital or acquired?
Dr. Lai Ronghao reply Urology
Hello: The causes of penile curvature can be classified as congenital and acquired. Acquired curvature may result from trauma or certain diseases, while congenital curvature is present at birth. Generally speaking, a curvature of more than 30 degrees is considered abnormal, but i...[Read More] Is a 25-Degree Curvature of the Penis Normal? Understanding Causes and Concerns
Understanding Ejaculation Issues: Causes and When to Seek Help
Inability to ejaculate? Hello, Doctor: My question is as follows: Recently, I have been experiencing difficulty fully emptying my bladder, often resulting in dribbling on the floor. Sometimes, I feel a bit of pain in my penis while urinating, and during sexual intercourse, I occa...
Dr. Lai Ronghao reply Urology
Hello: Based on what you described, it may be prostatitis. It is best to visit a urology clinic for an examination.[Read More] Understanding Ejaculation Issues: Causes and When to Seek Help
Persistent Pain After Circumcision: Causes and Solutions
Persistent pain after circumcision? 1. I underwent circumcision approximately four months ago, and I am still experiencing some pain on the left side of the sutured area (the stitches have already dissolved). The procedure was performed at a public hospital in the northern region...
Dr. Lai Ronghao reply Urology
Hello: The causes of wound pain are primarily 1. infection and 2. neuropathic pain. If it is the second reason, the symptoms should gradually improve over time. If there is no improvement, please consult a physician for further evaluation and management.[Read More] Persistent Pain After Circumcision: Causes and Solutions
Understanding Psychological Factors Behind Urination Difficulties and Treatment Options
Inability to urinate? Previously, I raised a question about how I have been scared to use the restroom after a particular incident, and now I tend to go to a farther restroom to urinate. The doctor mentioned that I might be experiencing psychological stress, leading to difficulty...
Dr. Lai Ronghao reply Urology
Hello: There are many types of medications for treating urinary system disorders, and their effects can be completely opposite. Self-medication may lead to side effects, so it is best to consult a urologist for assistance.[Read More] Understanding Psychological Factors Behind Urination Difficulties and Treatment Options