Can Undetectable HIV Viral Load Result in Negative Test Results?
Viral load is undetectable? If the HIV viral load is undetectable, will an HIV test during a routine blood check at a regular company show a negative result?
Dr. Hong Yuanbin Reply:
Hello, theoretically it should present as negative. Thank you for your question.[Read More] Can Undetectable HIV Viral Load Result in Negative Test Results?
Understanding the Risk of HIV Infection from Blood Exposure
Blood infection Hello Dr. Hong: I apologize for bothering you. Today, when I went to change my sanitary pad, I wrapped the used one and placed it on top of the tissue box. When I was about to throw it away, I thought to myself that I wasn't sure if it was mine, so I careless...
Dr. Hong Yuanbin Reply:
Hello, the situation you mentioned is unlikely to result in an HIV infection, so there is no need for post-exposure prophylaxis at this time. Thank you for your inquiry.[Read More] Understanding the Risk of HIV Infection from Blood Exposure
Can Deep Kissing After Wisdom Tooth Extraction Transmit HIV or Syphilis?
Infection issues Hello, doctor. I apologize for bothering you. I would like to ask you a question. It has been about 15 days since I had my wisdom teeth removed, and there is no bleeding or pain at the wound site. If I engage in deep kissing with someone, is there a risk of contr...
Dr. Liao Zhongxin Reply:
1. Infection is only possible if the other person has syphilis or HIV and is irregular in their medication or has not yet been treated. 2. Moreover, each individual's immune system varies, and significant exposure through larger wounds or bleeding is necessary for the possib...[Read More] Can Deep Kissing After Wisdom Tooth Extraction Transmit HIV or Syphilis?
Is It Possible to Still Be HIV Infected After a Year?
Is it still possible to be infected with HIV? A year ago, I had unprotected oral sex with a woman. Afterward, I was worried about HIV infection, so I went to Cheng Kung University for a blood test at the tenth week. During the follow-up appointment, the doctor said everything was...
Dr. Hong Yuanbin Reply:
Hello, based on your description, the chance of infection is indeed very low. If you are still very concerned, you may consider getting retested. Thank you for your question.[Read More] Is It Possible to Still Be HIV Infected After a Year?
Understanding PEP: Effectiveness, Testing, and Oral Exposure Risks
Post-Exposure Prophylaxis (PEP) Hello Dr. Hong, I would like to ask a few questions. On October 29 and 30, I performed unprotected oral sex for only a brief period of two to three minutes, without ejaculation in the mouth or swallowing prostate fluid. Afterwards, I rinsed my mou...
Dr. Hong Yuanbin Reply:
Hello, 1. It should not affect the efficacy of the medication. 2. The accuracy is high; as long as you have not engaged in any unsafe behaviors during this period, it should be reliable. 3. The chance of infection is very low. 4. Yes. 5. It falls into the moderate to high-risk ca...[Read More] Understanding PEP: Effectiveness, Testing, and Oral Exposure Risks
Understanding HIV Testing: Risks of Seroconversion After Negative Results
HIV testing issues? Hello Dr. Hong: I am #192559, and I have previously inquired about post-exposure prophylaxis (PEP). Thank you very much for your prompt response and for addressing my concerns. However, I have another question I would like to ask you, Dr. Hong, and I would app...
Dr. Hong Yuanbin Reply:
Hello, if there are no subsequent unsafe sexual behaviors, the chance of a positive result is very low. Thank you for your question.[Read More] Understanding HIV Testing: Risks of Seroconversion After Negative Results
Understanding HIV Testing: Do You Need Further Testing After Negative Results?
HIV issues Hello doctor, I had risky sexual behavior on September 6. I tested negative for antigen and antibodies at 15 days, negative for antibodies at 42 days, negative at 84 days, and negative at 99 days. Do I still need to get tested, and what is the likelihood of a conversio...
Dr. Liao Zhongxin Reply:
First, consider two sexually transmitted infections: 1. Syphilis: The window period is one and a half months. If the test is negative after 99 days, there is no cause for concern. 2. HIV: The window period is three to six months. If the test is negative after 99 days, it is recom...[Read More] Understanding HIV Testing: Do You Need Further Testing After Negative Results?
Understanding Antibody Response in Viral Infections: Key Questions Answered
Human Immunity: A Few Questions 1. Doctor, once the human body is infected with a virus, will it definitely produce antibodies? Is it possible for someone to not produce any antibodies at all, such as individuals with congenital immune deficiencies? 2. After a person is infected...
Dr. Hong Yuanbin Reply:
Hello, 1. The amount of antibodies is related to the capability of B cells in the body. If the immune system is very weak, it may indeed be unable to produce antibodies. 2. A decrease in antigens can partially indicate a reduction in the virus; however, a decrease in the virus...[Read More] Understanding Antibody Response in Viral Infections: Key Questions Answered
Understanding HIV and STI Risks: Safe Practices and Concerns
Risk of HIV and Other Sexually Transmitted Infections (STIs) Hello doctor, I visited the obstetrics and gynecology department today. Whenever I know an internal examination is needed, I wear disposable underwear. However, today when I threw away the disposable underwear, I accide...
Dr. Hong Yuanbin Reply:
Hello, the situation you mentioned is unlikely to result in contracting HIV or other sexually transmitted infections. Thank you for your inquiry.[Read More] Understanding HIV and STI Risks: Safe Practices and Concerns
Understanding False Positives in Military HIV Testing: Key Insights
Military service medical examination issues? Hello doctor, I underwent a military physical examination in December, and a month later I was informed that I tested positive for HIV. In January, I immediately purchased an at-home rapid HIV test, which returned a negative result. I ...
Dr. Hong Yuanbin Reply:
Hello, it is recommended to visit the infectious disease outpatient department at a medical center for a Combo test or Western blot test to confirm whether there is an actual infection. As for your daily routine, it should not significantly affect the test results. Thank you for ...[Read More] Understanding False Positives in Military HIV Testing: Key Insights
Risk of HIV Infection from Skin Breaks During Sexual Contact
Inquiry about HIV infection? If there is a broken skin in the groin area and sexual intercourse occurs with a sex worker, is there a risk of infection if the broken skin comes into contact with vaginal fluids?
Dr. Hong Yuanbin Reply:
Hello, regarding the depth of the wound, deeper lacerations do carry certain risks. If you are unable to confirm the situation, it is advisable to undergo sexually transmitted infection (STI) screening. Thank you for your inquiry.[Read More] Risk of HIV Infection from Skin Breaks During Sexual Contact
Risk of Infection from a Doll's Needle: What You Need to Know
Stabbed by a doll's pin? Today, while unpacking a package that arrived from China, I took out a doll and didn't notice that the pin at the back was open, which pricked me. Upon closer inspection, I found that the wound only scratched the skin and there was no bleeding. ...
Dr. Hong Yuanbin Reply:
Hello, if a needle has definitely been used on someone else before being used again, tests will be conducted for HIV, syphilis (VDRL or RPR), HBV, and HCV. Thank you for your inquiry.[Read More] Risk of Infection from a Doll's Needle: What You Need to Know
Understanding Positive ANA and Normal Complement Levels in SLE Concerns
ANA positive homogeneous 1:160+ with normal C3 and C4 complement levels? Hello Doctor: Recently, I developed hives and visited the rheumatology and immunology department. After blood tests, it was found that my ANA was positive with a homogeneous pattern at 1:160. Other tests for...
Dr. Gao Jiankai Reply:
Hello, thank you for your inquiry. A positive ANA (antinuclear antibody) test can occur in healthy individuals as well. To confirm this possibility, we will investigate the reasons for a positive ANA, including the series of tests you mentioned. If these tests return negative res...[Read More] Understanding Positive ANA and Normal Complement Levels in SLE Concerns
Understanding HIV Testing: Key Questions and Answers for Patients
HIV testing issues? Hello Dr. Hong, thank you for your response. I would like to clarify a few points based on our previous discussion: 1. Is it correct to understand that as long as there is HIV virus present in the body, new antibodies will continuously be produced, maintaini...
Dr. Hong Yuanbin Reply:
Hello, 1. Theoretically, the human body will produce corresponding antibodies; however, the quantity and types of antibodies may vary due to the functionality of the immune system and the progression of the disease. 2. If previous tests have been negative but there is a concer...[Read More] Understanding HIV Testing: Key Questions and Answers for Patients
Understanding HIV Antibody Testing: Common Concerns and Clarifications
HIV Antibody Testing Issues Hello, I am someone who has been panicking about HIV testing recently. 1. So even though HIV antibodies may decrease over time, they will not decrease to the point of being undetectable, right? I am mainly worried about a potential missed diagnosis f...
Dr. Hong Yuanbin Reply:
Hello, 1. Currently, most hospitals use a combined test for antigens and antibodies, so it can still be detected. 2. If tests are negative after three months of unsafe sexual behavior, the chance of infection is very low. 3. This depends on the sensitivity of each test. 4. C...[Read More] Understanding HIV Antibody Testing: Common Concerns and Clarifications
Understanding HIV Testing: Common Concerns and Answers
HIV testing issues Hello Doctor, I would like to ask a few questions. 1. Four years ago, I underwent HIV antibody testing and RT-PCR testing due to a high-risk behavior, both of which were negative. I had slowly forgotten about this, but recently I have suddenly become fearful ...
Dr. Hong Yuanbin Reply:
Hello, 1. If only antibodies are present, they may indeed decrease over time; however, RT-PCR tests for viral load, which will not decrease over time, so you should not miss a diagnosis. 2. Typically, instrument-based tests are more accurate. 3. Almost everyone will have anti...[Read More] Understanding HIV Testing: Common Concerns and Answers
Understanding Skin Irritations and Vaccine Mixing: Your Health Questions Answered
Please ask your question? Hello, I would like to ask the doctor about a slight itch on my elbow, where I have two or three small bumps. I'm wondering if this is due to an insect bite or some unusual disease. I happened to come across information about HIV, but I have not eng...
Dr. Hong Yuanbin Reply:
Hello, 1. Based on your images, it is likely folliculitis or eczema; however, it should not be caused by HIV. A definitive diagnosis may require evaluation by a dermatologist. 2. Hello, I recommend receiving the Moderna next-generation vaccine, as there are no concerns regard...[Read More] Understanding Skin Irritations and Vaccine Mixing: Your Health Questions Answered
Can You Catch STDs or HIV from Microphones and Acne?
Infectious disease inquiries? Hello Doctor, today after lunch with my department, my supervisor invited us to go karaoke, which was a place similar to the one in "Light the Night." I touched the microphone while singing and drinking. I have some acne on my face, and alt...
Dr. Hong Yuanbin Reply:
Hello, the situation you mentioned will not lead to an infection of sexually transmitted diseases or HIV, so there is no need to worry. Thank you.[Read More] Can You Catch STDs or HIV from Microphones and Acne?
Can You Get HIV from a Sharp Object Injury? Prevention Options Explained
HIV infection While cleaning up in the sink, I suspect I was cut on my finger by a sharp object like a toothpick from a customer, causing bleeding (the object should not have had any blood on it). The customer was here about 10 minutes ago. Is there a risk of HIV infection from t...
Dr. Hong Yuanbin Reply:
Hello, the likelihood of infection in the situation you mentioned is very low. Unless it is confirmed that the other person has HIV, there should be no need for prophylactic medication. Thank you for your question.[Read More] Can You Get HIV from a Sharp Object Injury? Prevention Options Explained
Understanding HIV Testing: Can False Negatives Occur?
Is there a possibility of false negatives in HIV testing? 1. I had protected sexual intercourse on October 5th at 11 PM, and I took an antibody and antigen rapid test on January 4th, which came back negative. Can I rule out the possibility of a positive result? 2. Many hospital...
Dr. Liao Zhongxin Reply:
1. After a three-month window period, infection can generally be ruled out; however, this is contingent upon no unsafe sexual practices or sharing of needles during this time. 2. Generally, the timeframe is three to six months; one month refers to the earliest time at which a p...[Read More] Understanding HIV Testing: Can False Negatives Occur?