Understanding Syphilis Testing: TPPA, TPHA, and FTA-ABS Explained
Sexually Transmitted Infection (STI) Testing Hello Dr. Sun, 1. Is the Treponema pallidum particle agglutination assay (TPPA) the same as the Treponema pallidum hemagglutination assay (TPHA) and the fluorescent treponemal antibody absorption test (FTA-ABS)? 2. If the TPPA resu...
Dr. Sun Hongshun Reply:
Hello Mr. Lin: 1. The specificity of the TPPA is higher than that of the TPHA, and it has almost replaced the TPHA. The specificity of the TPHA is similar to that of the FTA-ABS, nearly reaching 100%, and it is cost-effective without the need for specialized equipment, making it ...[Read More] Understanding Syphilis Testing: TPPA, TPHA, and FTA-ABS Explained
Understanding Numbness in the Top of the Foot and Toes: Causes and Solutions
Numbness in the dorsum of the foot and toes? On February 10, I began to experience a numb sensation in the area of the dorsum of my left foot near the toes, as well as in the toes themselves. There is no pain, and I still have sensation; walking is not an issue, but when wearing ...
Dr. Jiang Junyi Reply:
Dear Ms. Xiao Bao, You mentioned experiencing a numbness in the area of the dorsum of your left foot near the toes, as well as in the toes themselves. This may indicate peripheral nerve compression, particularly involving the nerve roots in the lumbar spine. Generally, periphera...[Read More] Understanding Numbness in the Top of the Foot and Toes: Causes and Solutions
Understanding Unexplained White Skin Tissue on the Penis: Causes and Solutions
There are unexplained white skin lesions on the glans and penis? Hello doctor, those white tissues have been present for about one to two years. There was a previous wound that bled, and I suspect that it might be necrotic tissue from a healing wound. It seems to regrow even afte...
Dr. Du Shixi Reply:
Hello: If you cannot see the image, based on your description, you should seek medical attention. In the meantime, keep the area clean and dry, and make sure to dry thoroughly after urination if you have a foreskin. Practice safe sex. Wishing you good health.[Read More] Understanding Unexplained White Skin Tissue on the Penis: Causes and Solutions
Understanding Urine Culture Results: Is Citrobacter freundii a UTI?
Urinalysis Thank you for your previous response, Doctor. I would like to ask you again: Is it possible to have a normal urine test (with red blood cells and white blood cells within normal limits) but still culture bacteria, specifically Citrobacter freundii, from the urine? Woul...
Dr. Du Shixi Reply:
Hello: This situation does occur, but it is not common. It is often attributed to issues during urine retention or specimen collection for culture. Therefore, antibiotics are added to prevent any untreated urinary tract infection from worsening. Wishing you good health.[Read More] Understanding Urine Culture Results: Is Citrobacter freundii a UTI?
Understanding Syphilis Testing: TPPA vs. TPHA Explained
Syphilis issue blood test report? Hello, doctor. Is there a difference between the Treponema pallidum particle agglutination assay (TPPA) and the Treponema pallidum hemagglutination assay (TPHA)? If the TPPA result is negative, does that mean the TPHA result is also negative? Tha...
Dr. Du Shixi Reply:
Hello: Both are the same, wishing you good health.[Read More] Understanding Syphilis Testing: TPPA vs. TPHA Explained
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.[Read More] Understanding Post-Ejaculation Pain: Causes and Solutions
Understanding Sleep Talking: Causes and Solutions for Nighttime Speech
Sleep talking? Hello, doctor: My family member talks in their sleep continuously, sometimes almost all night long. It's not just quiet mumbling; they recite long strings of words quite loudly and have no recollection of it upon waking, only feeling very thirsty. This has bee...
Dr. Peng Shiwei Reply:
It is recommended that family members first adjust their daily routines, diet, and stress relief methods. If there is no improvement, they should consider seeking evaluation from an endocrinologist or psychiatrist.[Read More] Understanding Sleep Talking: Causes and Solutions for Nighttime Speech
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...
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.[Read More] Understanding Post-Ejaculation Pain: Causes and Solutions
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 discomfort after ejaculat...
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.[Read More] Understanding Post-Ejaculation Pain: Causes and Solutions
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...
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.[Read More] Understanding Post-Ejaculation Pain: Causes and Solutions
Understanding Morning Erections: Causes, Concerns, and Solutions for Teens
Morning erection issues? Hello, doctor. I am 15 years old and have not experienced morning erections since the fifth grade, and now I am in the third year of junior high school. When I was younger, I would always have morning erections when I woke up for school. During the long s...
Dr. Liu Mingyue Reply:
Hello: Morning erections vary from person to person; not everyone experiences them. It's important to pay attention to rest and exercise. If you tend to drink too little water, I recommend increasing your fluid intake. Wishing you good health.[Read More] Understanding Morning Erections: Causes, Concerns, and Solutions for Teens
Frequent Urination: Understanding Causes and Solutions for Your Mom
Frequent urination? Doctor, my mother goes to the bathroom more than 15 times a day. She drinks very little water, and when she goes, she only urinates a small amount. We took her for a urine test, and there was no infection, but these symptoms have been ongoing for almost a mont...
Dr. Liu Mingyue Reply:
Hello: If it hasn't been a long-standing issue, there are likely some underlying causes that need to be investigated by a healthcare professional. Even if there is no infection, there could be other reasons. It's advisable to drink plenty of water and limit the intake o...[Read More] Frequent Urination: Understanding Causes and Solutions for Your Mom
Frequent Urination with Low Output: Possible Causes and Solutions
Frequent urination with low urine output? Doctor, my mother often goes to the bathroom 1-2 times an hour with a small amount of urine each time, but she still has a persistent urge to urinate. She has had a urinalysis, and there is no infection. This has been going on for over 20...
Dr. Liu Mingyue Reply:
Hello: If it hasn't been a long-standing issue, there are likely some underlying causes that need to be investigated by a healthcare professional. Even if there is no infection, there could be other reasons. It's advisable to drink plenty of water and limit the intake o...[Read More] Frequent Urination with Low Output: Possible Causes and Solutions
Frequent Urination with Low Output: Possible Causes and Solutions
Frequent urination with low urine output? Doctor, my mother often goes to the bathroom 1-2 times an hour with a small amount of urine each time, but she still has a persistent urge to urinate. She has had a urinalysis, and there is no infection. This has been going on for over 20...
Dr. Du Shixi Reply:
Hello: If it hasn't been a long-standing issue, it is likely caused by some factors that require medical examination. Although there is no infection, there may be other reasons. It's advisable to drink plenty of water and limit the intake of beverages. Wishing you good ...[Read More] Frequent Urination with Low Output: Possible Causes and Solutions
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.[Read More] Post-Ejaculation Pain: Causes and Solutions for Discomfort
Understanding Morning Erections: Causes, Concerns, and Solutions for Teens
Desire for morning erections? Hello, doctor. I am 15 years old and have not experienced any morning erections since the fifth grade, and now I am in the third year of junior high school. When I was younger, I would always have morning erections when I woke up for school. During t...
Dr. Du Shixi Reply:
Hello: Morning erections vary from person to person; not everyone experiences them. It's important to pay attention to rest and exercise. If you tend to drink too little water, I recommend increasing your fluid intake. Wishing you good health.[Read More] Understanding Morning Erections: Causes, Concerns, and Solutions for Teens
Understanding Perineal Issues: Masturbation, Erection Problems, and Condoms
Perineum, masturbation, and condom issues? 1. During masturbation, the perineum becomes very hard with any exertion. If I do not exert myself, I can last 10-20 minutes, but as soon as I exert, I immediately feel the urge to ejaculate, and even with an erection, exerting the perin...
Dr. Liu Mingyue Reply:
Hello: 1. During masturbation, the perineum becomes very hard as soon as I exert force. If I do not exert force, I can last 10-20 minutes, but as soon as I exert force, I immediately feel the urge to ejaculate. Even with an erection, exerting force on the perineum can lead to i...[Read More] Understanding Perineal Issues: Masturbation, Erection Problems, and Condoms
Understanding Perineal Issues: Masturbation, Erection Problems, and Condoms
Perineum, masturbation, and condom issues? 1. During masturbation, the perineum becomes very hard with any exertion. If I do not exert myself, I can last 10-20 minutes, but as soon as I exert, I feel an immediate urge to ejaculate, and even with an erection, exerting the perineum...
Dr. Liu Mingyue Reply:
Hello: 1. During masturbation, the perineal area becomes very hard with any exertion. If I don't exert myself, I can last 10-20 minutes, but as soon as I exert, I immediately feel the urge to ejaculate, and even with an erection, exerting the perineal area can lead to imme...[Read More] Understanding Perineal Issues: Masturbation, Erection Problems, and Condoms
Understanding Perineal Health: Masturbation, Erectile Issues, and Condoms
Perineum, masturbation, and condom issues? 1. During masturbation, the perineum becomes very hard with any exertion. If I do not exert myself, I can last 10-20 minutes, but as soon as I exert, I feel an immediate urge to ejaculate, even with just an erection. I would like to know...
Dr. Liu Mingyue Reply:
Hello: 1. When I usually masturbate, my perineum becomes very hard as soon as I exert force. If I don't exert force, I can last 10-20 minutes, but as soon as I exert force, I immediately feel the urge to ejaculate. Even when I just have an erection, exerting pressure on th...[Read More] Understanding Perineal Health: Masturbation, Erectile Issues, and Condoms
Persistent Swelling After Circumcision: Causes and Solutions
Post-circumcision care? Hello doctor, I had a circumcision two years ago, and the swelling still hasn't gone down. Sometimes it reduces a bit, but then it swells up again after I wake up. I've had follow-up visits two or three times, and the doctors have said it will ev...
Dr. Du Shixi Reply:
Hello: Based on personal experience, if there is swelling, it is likely not serious. Most of the time, using scar ointment for a period will help. Wishing you good health.[Read More] Persistent Swelling After Circumcision: Causes and Solutions