Understanding STD Risks After Intimate Encounters: What You Need to Know
Sexually transmitted infections (STIs) transmission Hello Doctor: Recently, I engaged in sexual activities with a sex worker, where we bathed and had intimate contact. We both shaved beforehand, but I am unsure if there were any cuts. During the encounter, the following occurred:...
Dr. Liao Zhongxin Reply:
According to the data from the Centers for Disease Control (CDC) in Taiwan (https://www.cdc.gov.tw/Disease/Index), there are three main transmission routes for HIV: A. Sexual Transmission: Engaging in oral, anal, or vaginal intercourse or other exchanges of bodily fluids with a...[Read More] Understanding STD Risks After Intimate Encounters: What You Need to Know
Can HPV Vaccine Prevent Transmission and Progression After Infection?
HPV vaccine questions Hello, doctor. I would like to ask, if someone is infected with HPV but immediately receives the HPV vaccine, although it won't cure the infection, can it prevent the progression of the disease or reduce the transmissibility? (I do not want to risk infe...
Dr. Lin Wufu Reply:
Yes, current research shows that individuals infected with HPV can still benefit from vaccination, as it can reduce the risk of developing related diseases such as genital warts, anal cancer, and other HPV-related conditions. Therefore, vaccination is still recommended![Read More] Can HPV Vaccine Prevent Transmission and Progression After Infection?
Timing for STD Testing: Understanding Risks and When to Get Checked
Timing for STI Screening Hello, Doctor: 1. I had sexual intercourse with an online acquaintance on May 27. The partner has multiple sexual partners. During our encounter, we took a bath together, and during oral sex, the male performed oral sex on the female without a condom, w...
Dr. Lin Wufu Reply:
Hello, 1. Individual intimate contacts have been studied regarding their transmission risks, but it is quite difficult to assess the overall risk of sexual intercourse. Essentially, HIV transmission requires contact between mucous membranes or broken skin and infected bodily fl...[Read More] Timing for STD Testing: Understanding Risks and When to Get Checked
Concerns About Cockroach Contact: Risks and Precautions for Foot Wounds
A person with a wound on their athlete's foot stepped barefoot on a cockroach? 1. Given your situation, the likelihood of contracting a cockroach-related disease from stepping on a cockroach is low, especially since the cockroach did not come into direct contact with your ex...
Dr. Lin Wufu Reply:
Hello: 1. The chances are very low, as it is merely encountering a cockroach and not being bitten by one. 2. Typically, the risk is higher when consuming food or water contaminated by cockroaches; similar cases are rarely encountered in Taiwan. 3. Different types of parasites or ...[Read More] Concerns About Cockroach Contact: Risks and Precautions for Foot Wounds
Can Slug Mucus Spread Parasites in Your Home? Health Risks Explained
Slugs are crawling all over the house? Hello, doctor. I have seen reports that the mucus secreted by mollusks such as snails, slugs, and other soft-bodied animals can contain the parasitic worm Angiostrongylus cantonensis. A few days ago, a large slug about 10 centimeters long cr...
Dr. Liao Zhongxin Reply:
The pathogen of Guangdong blood fluke infection is the Guangdong blood fluke. In 1933, Mr. Chen Xintao first discovered this parasite in the lungs (pulmonary arteries) of rats while investigating parasites in the black rat and brown rat in Guangdong Province, China. In 1937, a Ja...[Read More] Can Slug Mucus Spread Parasites in Your Home? Health Risks Explained
Understanding HIV Transmission Risks and Skin Care for Psoriasis
HIV transmission issues Dear Dr. Liao, I do not engage in any high-risk behaviors, but I have psoriasis that causes redness and peeling of the skin on my limbs (sometimes I scratch until I break the skin or cause cracks due to itching). Does this condition increase my risk of in...
Dr. Liao Zhongxin Reply:
According to the Centers for Disease Control (CDC) in Taiwan, the transmission routes of the Human Immunodeficiency Virus (HIV) are as follows: 1. Sexual Transmission: Engaging in oral, anal, or vaginal intercourse with an HIV-infected individual or exchanging other bodily fluid...[Read More] Understanding HIV Transmission Risks and Skin Care for Psoriasis
How to Handle Your Child's Pinworm Infection: Essential Tips and Treatments
Childhood parasitic infections Hello Dr. Lin, I apologize for the interruption! I would like to ask what to do if my elementary school daughter has a pinworm infection. The other night, she woke up in the middle of her sleep complaining of itching around her buttocks. Upon checki...
Dr. Lin Wuxuan Reply:
The treatment methods for different intestinal parasitic infections vary, and it is recommended to take children to a healthcare provider for diagnosis and to use antiparasitic medications as prescribed by the physician. Family members living in the same household usually need to...[Read More] How to Handle Your Child's Pinworm Infection: Essential Tips and Treatments
Understanding the Sudden Spike in Syphilis Levels: Causes and Concerns
Elevated syphilis titers? Hello doctor, I had a blood test for syphilis at the end of March, which showed a titer of 1:2. I was hospitalized and received penicillin treatment for 14 days. In early May, my blood test showed a syphilis titer of 1:256. Could you please explain why t...
Dr. Liao Zhongxin Reply:
1. The syphilis index includes RPR (infectivity) and TPHA (past infection) categories; therefore, a result of 1:2X may indicate RPR, while 1:256X may indicate TPHA. 2. It is recommended to obtain information and consult with the medical facility to clarify the current situation.[Read More] Understanding the Sudden Spike in Syphilis Levels: Causes and Concerns
Understanding the Risk of HIV Infection in Unsanitary Environments
Risk of HIV Infection Hello, doctor: I have a concern that I would like to ask you about. During my middle school years, the tutoring center environment was quite poor; there were very few restrooms, and the design might have been problematic, as there was often a puddle of urine...
Dr. Lin Wufu Reply:
Hello, there is basically no risk! HIV is primarily transmitted through contact with blood, bodily fluids, and mucous membranes, mainly through sexual intercourse. The viral load in urine is very low, and splashes that come into contact with the skin typically do not pose a trans...[Read More] Understanding the Risk of HIV Infection in Unsanitary Environments
Assessing HIV Infection Risks After Contact with a Sex Worker
Concerned about the risk of HIV infection? On April 29, I had contact with a sex worker, and there was no unsafe sexual behavior throughout the encounter. 1. The other party performed manual stimulation on me (using lubricant), and after ejaculation, they wiped with tissue. Is th...
Dr. Liao Zhongxin Reply:
1. It is not considered a high-risk behavior; simply consult and follow up with a nearby medical facility. 2. If you still have concerns, please adhere to safe sexual practices and avoid sharing drugs.[Read More] Assessing HIV Infection Risks After Contact with a Sex Worker
Understanding Gonorrhea and Chlamydia: When to See a Urologist or Infectious Disease Specialist
For issues related to gonorrhea, chlamydia, and sexually transmitted infections (STIs), you should consult a urologist or an infectious disease specialist? Hello, Doctor! I apologize for bothering you, but I would like to ask you some questions regarding gonorrhea and chlamydia. ...
Dr. Lin Wufu Reply:
1. Both types can have asymptomatic infections, and even if there are no symptoms, there is still a possibility of being infectious. 2. Asymptomatic infections are rare in males, but more common in females. If there are no symptoms, unless your intimate partner has been diagnosed...[Read More] Understanding Gonorrhea and Chlamydia: When to See a Urologist or Infectious Disease Specialist
Food Contamination Risks: Understanding Infection from Blood on Toast
Foodborne infection issues Hello, doctor! One day while I was having breakfast, I noticed some blood spots on my toast, approximately 0.3 centimeters in size, around two or three spots. I discovered the blood after I had already eaten part of the toast, and I'm uncertain whe...
Dr. Liao Zhongxin Reply:
1. If you are a healthy individual, there is certainly no issue; however, if you share the same piece of bread with someone else, you need to inquire about their health status. 2. The situation is as described in point 1.[Read More] Food Contamination Risks: Understanding Infection from Blood on Toast
Understanding HIV Test Results: What Do Changes in Numbers Mean?
HIV testing issues Hello Doctor: In May 2022, I had high-risk sexual behavior, but I did not engage in any sexual activity for the following seven months. In December 2022, feeling anxious, I went for an HIV blood test, and the result was 0.19. I had sexual activity again in Janu...
Dr. Liao Zhongxin Reply:
1. A general positive result is greater than 1, so values less than 1 do not need to be overly concerned. 2. If six months have passed, there is no need for further follow-up; however, if there are still risky behaviors, recalculation is necessary.[Read More] Understanding HIV Test Results: What Do Changes in Numbers Mean?
Concerns About Eating Undercooked Pork: Do You Need Medical Attention?
Eating undercooked pork in barbecue? When eating barbecue, I thought it was beef and consumed it medium-rare, only to later discover it was pork! Doctor, I have two questions: 1. Is it necessary to see an infectious disease specialist for this situation? 2. Is the prevalence of t...
Dr. Liao Zhongxin Reply:
1. According to the information from the Centers for Disease Control in Taiwan, a member of the indigenous community in Hualien County, Peng Zhao-xi, frequently consumed raw wild boar meat. Over a month ago, he developed a hard lump on the inner side of his left thigh. After exam...[Read More] Concerns About Eating Undercooked Pork: Do You Need Medical Attention?
Concerns About Eating Undercooked Pork: Do You Need to See an Infectious Disease Specialist?
Eating undercooked pork in barbecue? When eating barbecue, I thought it was beef and consumed it medium-rare, only to later find out it was pork! Doctor, I have two questions: 1. Is it necessary to see an infectious disease specialist for this situation? 2. Is the prevalence of t...
Dr. Liao Zhongxin Reply:
1. According to the information from the Centers for Disease Control in Taiwan, a member of the indigenous community in Hualien County, Peng Zhaoxi, frequently consumed raw wild boar meat. Over a month ago, he developed a hard lump on the inner side of his left thigh. After exami...[Read More] Concerns About Eating Undercooked Pork: Do You Need to See an Infectious Disease Specialist?
Understanding HPV Recurrence: Concerns and Vaccination Benefits
Regarding the recurrence rate of HPV? Hello, Doctor. About six years ago, I had genital warts in my anal area due to my reckless youth. At that time, I underwent treatment with electrocautery and topical medications. I experienced severe itching at night, but over the years, alth...
Dr. Liao Zhongxin Reply:
1. First of all, it is not easy to completely cure genital warts; safe sexual practices and contact isolation are necessary. 2. The optimal timing for administering the HPV vaccine is before the onset of sexual activity; however, young men and women who are currently sexually act...[Read More] Understanding HPV Recurrence: Concerns and Vaccination Benefits
Concerns About Pork Tapeworm Infection After Handling Fresh Pork
Pork tapeworm parasite This morning, I went to the market to buy pork (ground pork). The vendor said the pork was freshly slaughtered. After I brought it home and handled it, I forgot to wash my hands, but I did use alcohol to disinfect them before eating. Is there a risk of para...
Dr. Liao Zhongxin Reply:
No; you can refer to the CDC's information: https://www.cdc.gov.tw/Category/ListContent/AHwuigegBBBmuDcbWkzoGQ?uaid=T0MRJj8KVycdb4ZS6EGu_g. In Hualien County, an indigenous man named Peng Zhaoxi frequently consumed raw wild boar meat. Over a month ago, he developed a hard lu...[Read More] Concerns About Pork Tapeworm Infection After Handling Fresh Pork
Concerns About Pork Tapeworm Infection After Handling Fresh Pork
Pork tapeworm parasite This morning, I went to the market to buy pork (ground pork). The vendor said the pork was freshly slaughtered. After I brought it home and handled it, I forgot to wash my hands, but I did use alcohol to disinfect them before eating. Is there a risk of para...
Dr. Liao Zhongxin Reply:
No; you can refer to the information from the Centers for Disease Control: https://www.cdc.gov.tw/Category/ListContent/AHwuigegBBBmuDcbWkzoGQ?uaid=T0MRJj8KVycdb4ZS6EGu_g. In Hualien County, an indigenous man named Peng Zhaoxi frequently consumed raw wild boar meat. Over a month a...[Read More] Concerns About Pork Tapeworm Infection After Handling Fresh Pork
Understanding Cellulitis: Long-Term Recovery and Ongoing Symptoms
Cellulitis I was admitted to the emergency room on February 28 due to swelling in my left hand. I was diagnosed with cellulitis despite having no external injuries. After 11 days of antibiotic treatment, the swelling finally decreased, and my CRP levels returned to normal. Howeve...
Dr. Lin Wufu Reply:
Severe cellulitis may lead to localized tissue thickening or persistent swelling for some time after infection control, and it may take longer to gradually recover. Another possibility is that if the infection has invaded deeper tissues such as joints or bones, the recovery time ...[Read More] Understanding Cellulitis: Long-Term Recovery and Ongoing Symptoms
Concerns About Parasite Infection After Using Contaminated Water
Parasitic issues? Dear Doctor, I stayed overnight in a rural area where the washing facilities only had a faucet without a showerhead and no hot water supply. It had not been used for about six months, and when I turned it on, I noticed some filamentous floating substances resemb...
Dr. Liao Zhongxin Reply:
1. Parasitic infections are primarily transmitted through contact routes, such as oral ingestion (via drinking water or food) or external parasites (like scabies). Therefore, when traveling to the outdoors or Southeast Asia, remember to wear long sleeves and avoid consuming untre...[Read More] Concerns About Parasite Infection After Using Contaminated Water