Can Non-Sterile Lubricants Be Used for Catheter Insertion?
Regarding the insertion of a urinary catheter? Hello, I would like to ask if a non-sterile lubricant can be used when inserting a double-lumen catheter. I purchased KG-90 medical-grade lubricant, but it is labeled as non-sterile.
Dr. Cai Zhuorong reply Urology
Sterilization will certainly result in a lower risk of infection compared to cleaning, but if the catheterization is only for intermittent use and not for indwelling, it is acceptable.[Read More] Can Non-Sterile Lubricants Be Used for Catheter Insertion?
Understanding HPV Positive Results: What to Do After Previous Warts Treatment
HPV test positive Hello, doctor. About ten years ago, I underwent electrosurgery for genital warts. My memory is a bit hazy, and I also used a self-paid ointment specifically for warts. After that, I did not experience any recurrence. In the past year, I completed the nine-valent...
Dr. Cai Zhuorong reply Urology
If the test is for antibodies, it is possible. The virus can remain dormant and may suddenly reactivate after several years without symptoms. However, please do not worry, as the transmission rate is very low in the absence of symptoms.[Read More] Understanding HPV Positive Results: What to Do After Previous Warts Treatment
Understanding Post-Masturbation Burning Sensation: Causes and Solutions
Experiencing a burning pain after masturbation? 1. When I first started masturbating, I would experience a burning sensation in my penis approximately every two times, which made me hesitant to continue. Now, it happens less frequently, but I still feel anxious that there might b...
Dr. Cai Zhuorong reply Urology
Chronic prostatitis should be considered. It is recommended to seek medical evaluation and examination.[Read More] Understanding Post-Masturbation Burning Sensation: Causes and Solutions
Understanding the Causes of Erectile Dysfunction After Prostatitis
Hello Doctor: I have not experienced morning erections since April 2021, and I also do not have spontaneous erections. Could you please explain what might be causing this? Hello Doctor: Since April 2021, I have not experienced morning erections, and I also do not have spontaneous...
Dr. Cai Zhuorong reply Urology
There are many causes of erectile dysfunction, such as prostatitis and cardiovascular issues, which can both have an impact. It is recommended that you seek medical evaluation for further examination.[Read More] Understanding the Causes of Erectile Dysfunction After Prostatitis
Throat Pain and Red Spots After Oral Sex: What You Need to Know
Sore throat with red spots after oral sex? Engaging in unprotected oral sex for two consecutive days can lead to various symptoms, including throat discomfort. The presence of red spots in the throat could indicate a few possibilities, such as irritation, a viral infection, or po...
Dr. Cai Zhuorong reply Urology
Some sexually transmitted infections, including gonorrhea, can potentially be transmitted orally. It is recommended that you seek medical evaluation and testing.[Read More] Throat Pain and Red Spots After Oral Sex: What You Need to Know
Addressing Erectile Issues Caused by Improper Masturbation Techniques
Penile issues Hello, doctor. In the past, during puberty, I often used incorrect masturbation techniques such as floor pressure masturbation, straight leg masturbation, and intense stimulation masturbation (for instance, gripping the penis too tightly and masturbating too quickly...
Dr. Cai Zhuorong reply Urology
There is no clear medical evidence supporting a relationship between masturbation and erectile dysfunction; however, if you feel there is a connection, you may consider reducing the frequency of masturbation. Additionally, it is recommended to seek medical evaluation for further ...[Read More] Addressing Erectile Issues Caused by Improper Masturbation Techniques
Understanding and Treating Erectile Issues from Improper Masturbation Techniques
Penile issues Hello, doctor. In the past, during puberty, I often used incorrect masturbation techniques such as floor pressure masturbation, straight leg masturbation, and intense stimulation masturbation (for example, gripping the penis with excessive force and masturbating at ...
Dr. Cai Zhuorong reply Urology
There is no clear medical evidence supporting a relationship between masturbation and erectile dysfunction. However, if you feel there is a connection, you may consider reducing the frequency of masturbation. Additionally, it is recommended to seek medical evaluation for further ...[Read More] Understanding and Treating Erectile Issues from Improper Masturbation Techniques
Understanding Persistent Fungal Infections After Urological Surgery: Causes and Solutions
Fungal infection Hello, a year ago I underwent surgery for liver cancer, and after being discharged, I noticed that during bathing, my glans and foreskin were reddened. When erect, there were a few small red spots (flat) on the glans. Initially, I thought it was due to the surgic...
Dr. Cai Zhuorong reply Urology
Recurrent balanitis often necessitates consideration of the presence of diabetes mellitus, and of course, rare skin malignancies should also be taken into account.[Read More] Understanding Persistent Fungal Infections After Urological Surgery: Causes and Solutions
Understanding Painful Bumps Near the Penis: Causes and Treatment Options
A hard lump has developed at the base of the penis in the lower abdomen area? The size is approximately similar to a thumbnail, but there is a feeling of pressure on the scrotum. Touching the lump causes pain, and if not touched, the pressure from the lump (such as when wearing p...
Dr. Cai Zhuorong reply Urology
Consider sebaceous cysts, folliculitis, and hidradenitis, and it is recommended to seek medical consultation.[Read More] Understanding Painful Bumps Near the Penis: Causes and Treatment Options
Understanding Hematuria: Causes and Concerns in Urology Care
Urethral bleeding Hello, my father started experiencing hematuria with blood clots around 1 or 2 AM this morning. The blood is currently bright red, and in addition to the blood in the urine, there is also occasional bleeding from the urinary catheter site. The head of the testic...
Dr. Cai Zhuorong reply Urology
Patients who are bedridden and use urinary catheters for an extended period often develop urinary tract infections. Additionally, benign prostatic hyperplasia is one of the causes of bleeding. Of course, tumors cannot be ruled out either.[Read More] Understanding Hematuria: Causes and Concerns in Urology Care
Risk of HIV Infection from Finger Wound After Contact with Sex Worker
Concern about HIV infection from finger wounds? A week ago, I had a half-service with a sex worker, and we used a condom throughout the entire encounter. However, my fingers were inserted into the sex worker's vagina without a finger cot, and I had contact with bodily fluids...
Dr. Cai Zhuorong reply Urology
The probability is low but cannot be ruled out; accepting anonymous screening is the correct approach.[Read More] Risk of HIV Infection from Finger Wound After Contact with Sex Worker
Understanding Male Urethral Infections: Causes Beyond Sexual Activity
Factors Contributing to Male Urinary Tract Infections Hello, doctor. I haven't had sexual intercourse for six months. On the night of April 13, I noticed pain while urinating. I didn't think much of it at first, as I attributed it to occasional cramping sensations. Howe...
Dr. Cai Zhuorong reply Urology
If you want to seek a second opinion, it is advisable to make a copy of the initial examination report.[Read More] Understanding Male Urethral Infections: Causes Beyond Sexual Activity
Understanding Semen Infections: Causes, Treatment, and Long-Term Effects
Semen infection Hello, doctor. I previously experienced testicular pain and consulted a physician. I took tetracycline for two weeks, and the symptoms resolved. I then underwent semen and urine bacterial cultures, which revealed the presence of bacteria in my semen. Based on the ...
Dr. Cai Zhuorong reply Urology
In principle, the treatment of chronic prostatitis is primarily symptom-based, and there is no need to be overly focused on semen analysis reports.[Read More] Understanding Semen Infections: Causes, Treatment, and Long-Term Effects
Erectile Dysfunction and Urinary Issues: Understanding the Connection
Erectile dysfunction and urination issues? Since the fifth or sixth grade, I have been masturbating almost every day, with a maximum of 3 to 4 times in a day. Several years ago, I started experiencing issues with erections, where I would become erect briefly but then lose firmnes...
Dr. Cai Zhuorong reply Urology
You should consider whether your premature ejaculation is primary premature ejaculation, and medication treatment may be an option. For urinary issues, further examination is recommended.[Read More] Erectile Dysfunction and Urinary Issues: Understanding the Connection
Post-Urination Groin Pain After Hemorrhoid Banding: Causes and Solutions
Pain in the groin area near the bladder after urination? Hello Doctor: After undergoing three rubber band ligation procedures for internal hemorrhoids in January, I began to experience a sensation of incomplete bladder emptying after urination, which requires some effort to fully...
Dr. Cai Zhuorong reply Urology
Bowel movements can indeed affect urination, and many elderly individuals experience urinary issues due to constipation. This is primarily because the rectum is anatomically close to the prostate. If symptoms persist, temporary pharmacological treatment may be considered.[Read More] Post-Urination Groin Pain After Hemorrhoid Banding: Causes and Solutions
Understanding Urethral Pain: Symptoms, Risks, and Transmission Concerns
Pain at the urethral opening? Hello, doctor. I have a few questions: 1. I had sexual intercourse with a woman the day before yesterday while using a condom, but I performed oral sex without a condom. The next afternoon, I suddenly started feeling a sharp pain at the urethral op...
Dr. Cai Zhuorong reply Urology
1. Although the likelihood is low, gonorrhea can indeed be transmitted through oral sex. Most cases present with yellowish-white discharge, but this is not an exclusionary factor for diagnosis. If there are concerns, it is advisable to seek medical attention. 2. The chances are...[Read More] Understanding Urethral Pain: Symptoms, Risks, and Transmission Concerns
Assessing HIV Risk After Potential Exposure: Your Concerns Addressed
HIV infection Hello, Doctor: Due to encouragement, I engaged the services of a foreign sex worker for the first time. Prior to this, I had not engaged in any unsafe sexual behavior. During the encounter, I used a condom and did not kiss. The sex worker licked my nipples, and late...
Dr. Cai Zhuorong reply Urology
Indeed, as the physician suggested, the risk is low but cannot be completely ruled out. If you have concerns, it is recommended that you undergo anonymous screening.[Read More] Assessing HIV Risk After Potential Exposure: Your Concerns Addressed
Impact Injury to the Glans: Concerns and Recovery Tips
Trauma to the glans penis? Hello doctor, about a week ago... I was playing around on a hotel bed with classmates (my hands were held down, and another classmate performed a "thousand years of death" technique on me, causing me to reflexively move forward. However, since...
Dr. Cai Zhuorong reply Urology
If there was no erection at the time of injury, there should not be any long-term complications. Masturbation lasting 8-10 minutes before ejaculation is considered normal and does not require medical treatment.[Read More] Impact Injury to the Glans: Concerns and Recovery Tips
Understanding Penile Plaques and Their Impact on Erectile Function
Penile fibrous plaque and folds in the corpora cavernosa? Hello, doctor. I have two hard nodules on the right side of my penile corpus cavernosum, which cause my penis to bend toward the side of the nodules during erection. The area with the nodules appears to be indented, but th...
Dr. Cai Zhuorong reply Urology
1. Are there non-surgical methods to manage fibrosis? A: Some cases may resolve on their own after a period of time. Surgery is the standard treatment, while other options such as medication have limited effectiveness. 2. Will the folds in the corpus spongiosum have any adverse...[Read More] Understanding Penile Plaques and Their Impact on Erectile Function
Can STDs Persist in the Anus After Anal Sex?
Can sexually transmitted infections (STIs) be retained in the anus? I would like to ask if there can be residual sexually transmitted infections (STIs) in the anus after anal intercourse with my partner. I am the insertive partner (1) and my partner is the receptive partner (0). ...
Dr. Cai Zhuorong reply Urology
The most common infections transmitted through the anus are genital warts, and HIV should also be a concern.[Read More] Can STDs Persist in the Anus After Anal Sex?