Sexually transmitted diseases, Internal Medicine FAQ

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Is Syphilis Invisible? Understanding Symptoms and Recurrences

Is syphilis invisible? Last February, I suddenly woke up with a fever, a type of fever I had never experienced before. A few days later, I discovered a half-spherical mass the size of a ping pong ball on my cervix. Initially, I thought I had cancer. After a month, the ulcerous sm...


Dr. Liao Zhongxin Reply:
A. Your description is quite vivid; however, the Treponema pallidum is not that miraculous. It can be cured with a course of penicillin. B. According to the Centers for Disease Control and Prevention (CDC), the modes of transmission are as follows: 1. Close contact during sexual ...

[Read More] Is Syphilis Invisible? Understanding Symptoms and Recurrences


Understanding the Causes of Painless Red Spots on Skin

Small red spots appear on the skin? Since the beginning of the year, I have been experiencing painless and itchless small red spots under the skin (which disappear when pressed). Blood tests for platelet count and liver function (including tests for sexually transmitted diseases)...


Dr. Zeng Guosen Reply:
It is recommended to visit a dermatologist. If blood tests are normal and there is no diagnosis, a biopsy may be considered for further differential diagnosis. Thank you.

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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?


Concerns About Toilet Water Contamination on a Wounded Hand

The wound came into contact with the water from my own toilet? Hello, doctor. Two days ago, I was shopping and accidentally scratched my hand on a sharp object (a store decoration). At that moment, I only felt a sting and there was no bleeding. I sprayed a lot of alcohol on it an...


Dr. Hong Yuanbin Reply:
Hello, based on your description, your main concern is the risk of infection from the wound. However, the pathogens found in toilet environments are primarily gastrointestinal bacteria, not bloodborne pathogens, so the risk of sexually transmitted infections or bloodborne disease...

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Concerns About Exposure to Unknown Liquid: Health Risks for Children

Contact with unknown liquid? Today, I took my son to the hospital. On our way there, we passed by a flower bed and sidewalk where there was a large puddle of some unknown thick liquid, which could have been vomit or feces. At that moment, we were in a hurry and didn't examin...


Dr. Hong Yuanbin Reply:
Hello, in an outdoor environment with relatively good ventilation, the diseases you are concerned about, such as COVID-19, monkeypox, and influenza, are less likely to be contracted through contamination. These diseases primarily spread through inhalation of respiratory droplets ...

[Read More] Concerns About Exposure to Unknown Liquid: Health Risks for Children


Am I at Risk of HIV or STDs from Casual Encounters?

Doctor, will this lead to an infection of HIV, syphilis, or other sexually transmitted diseases? I'm not a medical professional, but I can provide some general information based on your concerns. 1. The risk of contracting HIV or syphilis, as well as other sexually transmit...


Dr. Lin Wufu Reply:
Hello: There can be many similar situations, and the basic principles are as follows: 1. Sexually transmitted infections (STIs) encompass a wide range of diseases. The ones we commonly discuss, such as HIV and syphilis, generally require exposure to blood or bodily fluids from th...

[Read More] Am I at Risk of HIV or STDs from Casual Encounters?


Understanding HIV Risks: Concerns After a Urology Visit

HIV/AIDS risk Hello, doctor: Recently, I have been experiencing some pain in my testicles. Yesterday, I visited the urology department at the hospital, but the doctor examined me without wearing gloves and accidentally touched my glans. I would like to know if there is a risk of ...


Dr. Liao Zhongxin Reply:
Dear readers: Regarding the risks of HIV/AIDS: A: 1. According to data from the Centers for Disease Control (CDC): http://www.cdc.gov.tw/professional/page.aspx?treeid=7b56e6f932b49b90&nowtreeid=D03CCE3DF521E46A, there are three main routes of HIV transmission: 1. Sexual t...

[Read More] Understanding HIV Risks: Concerns After a Urology Visit