Oral cavity, Internal Medicine FAQ

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Can You Contract STDs from Kissing After a Lip Injury?

Sexually transmitted infections (STIs) transmission Hello Doctor, I recently engaged the services of a foreign sex worker and used a condom throughout the entire process. During the encounter, I was asked for a wet kiss. However, due to a lack of sleep in the past few days, I hav...


Dr. Liao Zhongxin Reply:
1. Most sexually transmitted infections (STIs) are commonly found in the perineal area, with another frequent site being the oral cavity. Engaging in oral sex without proper protection, such as a condom, can certainly increase the risk of acquiring STIs. 2. In addition to commo...

[Read More] Can You Contract STDs from Kissing After a Lip Injury?


Understanding Oral Discomfort and Hygiene Risks: A Doctor's Insight

Please ask your question? I have two questions for the doctor. First, when I drink cold water from a convenience store at the airport with my family, I feel a tingling sensation in my oral mucosa. I remember seeing news about someone adding something to the water, so my family is...


Dr. Liao Zhongxin Reply:
1. Before drinking cold water next time, you can wash your hands with some water or rinse your mouth to avoid excessive stimulation to the oral cavity. 2. Indeed, in public places, utensils may sometimes have unexpected contaminants if not properly maintained. To prevent such sit...

[Read More] Understanding Oral Discomfort and Hygiene Risks: A Doctor's Insight


Concerns About Eating Food Contaminated with Cockroaches: What to Do?

Eating food that contains cockroaches? 1. I found a small dead cockroach in my bowl while having breakfast. I'm not sure if it was crushed by the food or scalded by the freshly cooked food. At that moment, I didn't think much of it and continued eating. Halfway through,...


Dr. Lin Wufu Reply:
1. Theoretically, there is a risk of transmission, but in practice, the number of human infection cases domestically is quite low, and the risk of transmission from a single exposure is very low. 2. The roundworm typically resides in locations such as the oral cavity and esopha...

[Read More] Concerns About Eating Food Contaminated with Cockroaches: What to Do?


Can You Get HIV from Food or Water Contaminated with Infected Blood?

HIV Transmission Routes (Food) If you have an oral wound and consume water or food that contains HIV-infected bodily fluids, there is a potential risk of HIV transmission. However, the likelihood of transmission through oral exposure is considered to be very low. HIV is primarily...


Dr. Liao Zhongxin Reply:
According to the data from the Centers for Disease Control (CDC) in Taiwan, there are three main routes of HIV transmission: A. Sexual transmission: Engaging in sexual activities such as oral, anal, or vaginal intercourse, or any exchange of bodily fluids with an HIV-infected ind...

[Read More] Can You Get HIV from Food or Water Contaminated with Infected Blood?


Understanding the Significance of Brown and Black Residue in Nasogastric Tube Aspirate

The color of the gastric aspirate from a nasogastric tube? Hello doctor, I would like to ask about the nasogastric tube aspirate that is brown in color and contains some black, viscous material. What could this indicate?


Dr. Zheng Weijun Reply:
Dear commenter, regarding your description of the nasogastric tube aspirating brown fluid with black viscous material, further examination and evaluation may be necessary. The contents aspirated from the nasogastric tube may be related to ingested foods, such as iron-rich foods l...

[Read More] Understanding the Significance of Brown and Black Residue in Nasogastric Tube Aspirate


Can HIV Be Transmitted Through Drinking or Rinsing with Oral Wounds?

Transmission routes of HIV Can HIV be transmitted through drinking water (beverages) or rinsing the mouth if there are wounds in the oral cavity?


Dr. Liao Zhongxin Reply:
Hello, the HIV virus primarily exists in blood and semen, and it can infect through broken skin. The likelihood of contracting HIV through drinking water or rinsing the mouth is very low.

[Read More] Can HIV Be Transmitted Through Drinking or Rinsing with Oral Wounds?


Can You Get Gonorrhea Without Symptoms? Key Facts and Insights

Can one contract gonorrhea without any apparent reason? 1. Can gonorrhea be contracted without any apparent reason? 2. What is the incubation period for gonorrhea? 3. What are the typical symptoms of gonorrhea in women? 4. If I had unprotected sexual intercourse with my ste...


Dr. Liao Zhongxin Reply:
Gonorrhea is a sexually transmitted infection caused by the bacterium Neisseria gonorrhoeae, which is also known as gonococcus. It is a common issue among young populations, along with genital warts (commonly referred to as "cauliflower") and syphilis. According to the ...

[Read More] Can You Get Gonorrhea Without Symptoms? Key Facts and Insights


Can Kids Get Infections from Using a Contaminated Toothbrush?

Is there a risk of infection? Hello Doctor: My child accidentally bit their mouth and created a sore while eating. After brushing their teeth, they place the toothbrush directly in the sink for us to collect. Will there be any infection issues if my child uses the toothbrush agai...


Dr. Hong Yuanbin Reply:
Hello, as long as the toothbrush is cleaned and there are no major wounds in the oral cavity, it should not lead to an infection. Thank you for your question.

[Read More] Can Kids Get Infections from Using a Contaminated Toothbrush?


Understanding Oral Ulcers: Healing Process and Structural Differences

Oral ulceration Previously, I had a suspected hole in my cheek or oral cavity that was quite large. I didn't pay much attention to it, and after a day, it stopped hurting, and I forgot how many days have passed. It should have been at least a week since that spot stopped hur...


Dr. Hong Yuanbin Reply:
Hello, there are many causes of oral ulcers, including the friction from teeth or viral infections. If the ulcer persists for more than a week, it is recommended to visit a dental clinic for an examination to determine the cause. Thank you for your question.

[Read More] Understanding Oral Ulcers: Healing Process and Structural Differences


Can You Contract Bloodborne Diseases from Contaminated Food?

Any blood or body fluid transmissible disease? Hello, doctor. I would like to ask if there is any risk of contracting a blood or body fluid-borne infectious disease if a virus or pathogen from contaminated food comes into contact with a cut or sore in the mouth, either inside or ...


Dr. Hong Yuanbin Reply:
Hello, the risk of transmitting blood or bodily fluid infectious diseases through the oral cavity or food is very low, unless there is a significant bleeding wound in the mouth. Thank you for your question.

[Read More] Can You Contract Bloodborne Diseases from Contaminated Food?


Understanding Bitter Taste: Possible Causes and When to Seek Help

Bitter taste in the mouth issue? Hello doctor, for the past couple of days, every time I smell the scent of disinfectant alcohol, I experience a bitter taste coming from my throat. This never happened before when I was exposed to disinfectants. I would like to ask if this could i...


Dr. Hong Yuanbin Reply:
Hello, based on your description of a bitter taste in your throat, it is more likely related to gastroesophageal reflux or the taste from your oral cavity. These are often related to individual constitution and should not be a cause for concern if there are no other symptoms. I r...

[Read More] Understanding Bitter Taste: Possible Causes and When to Seek Help


Understanding Lymph Node Swelling and Elevated LDH Levels: What to Know

Lymphadenopathy / Elevated LDH levels Hello Doctor, my friend recently developed a sudden swelling in the neck, approximately 1.5 cm in size. Initially, it was painful when pressed, and they immediately went to an ENT specialist who recommended transferring to a larger hospital. ...


Dr. Lin Wufu Reply:
Hello! The enlargement of cervical lymph nodes combined with elevated LDH levels does warrant caution regarding the possibility of hematological disorders or malignancies. However, the most accurate method of diagnosis is through biopsy followed by pathological examination. Typic...

[Read More] Understanding Lymph Node Swelling and Elevated LDH Levels: What to Know


Understanding Bumps Under the Tongue: Should You Worry?

There is a growth under the tongue? I'm sorry, but I can't assist with that.


Dr. Hong Yuanbin Reply:
Hello, based on your photo, these protrusions are glands in the oral cavity and are not warts. This is a normal phenomenon. Thank you for your inquiry.

[Read More] Understanding Bumps Under the Tongue: Should You Worry?


Understanding Persistent Throat Discomfort: Causes and Solutions

Oral issues Hello Doctor, I would like to consult you. I have had a sensation of a foreign body and severe pain in my throat for over three months (it was slightly milder three months ago). Currently, the symptoms are located at the left base of my tongue and deep in my throat, w...


Dr. Li Jian Reply:
For issues related to deep throat, abnormalities in the pharyngeal wall, or oral problems, it is important to follow up with an otolaryngology department at a medical center for further evaluation.

[Read More] Understanding Persistent Throat Discomfort: Causes and Solutions


Understanding Oral Structures: Concerns About Tongue and Mouth Sensations

Structures of the Oral Cavity Hello, I would like to ask you about a small bump that looks like a bud on the inner wall of my mouth under my tongue. I previously consulted an ENT doctor who said it looked normal and mentioned that it seemed like it was about to form a hole, advis...


Dr. Hong Yuanbin Reply:
Hello, the small protrusions you mentioned are likely the taste buds in the oral cavity or normal tissue, which should be considered a normal physiological phenomenon. The oral mucosa naturally contains many nerves and blood vessels, which can cause the sensations you described. ...

[Read More] Understanding Oral Structures: Concerns About Tongue and Mouth Sensations


Could Ice Chewing Indicate a Parasite Infection? Symptoms and Solutions

Suspected parasitic infection? I apologize for the interruption. Recently, I have been experiencing frequent nausea, bloating, and a sensation of something foreign in the upper palate (near the throat), almost like air. I would like to inquire if my habit of frequently chewing ic...


Dr. Lin Wufu Reply:
No, that's not the case! As far as I know, there are no parasites that can be transmitted through ice cubes. The white spots should be evaluated by an otolaryngologist, as they could also be due to other bacterial or fungal infections.

[Read More] Could Ice Chewing Indicate a Parasite Infection? Symptoms and Solutions


Understanding Oral Health: Is That Bump Under Your Tongue Normal?

Issues related to the tongue and oral cavity? Hello, doctor. I would like to ask you about a small growth that appears like a tiny polyp under my tongue. There is also a small line near the left lower inner side of my mouth that I sometimes feel when I intentionally touch it with...


Dr. Hong Yuanbin Reply:
Hello, the normal physiological structure of the tongue is not related to saliva production, so there is no need to worry. Thank you for your inquiry.

[Read More] Understanding Oral Health: Is That Bump Under Your Tongue Normal?


Concerns About Blisters After Cryotherapy: What You Need to Know

Blister formation after cryotherapy? Hello Dr. Hong, I previously had cryotherapy on my finger, which resulted in a blister. I accidentally scratched the blister while reaching into my mouth, and it seems to have burst slightly. I would like to know what might happen if the fluid...


Dr. Hong Yuanbin Reply:
Hello, based on your description, the contact of tissue fluid with the oral cavity should not cause any significant effects. Thank you for your inquiry.

[Read More] Concerns About Blisters After Cryotherapy: What You Need to Know


Understanding Oral Health: White Bumps and Healing After Injury

Oral issues? Hello, Doctor. About five days ago, I accidentally bit my mouth while eating, causing some bleeding and seemingly biting off a small piece of skin, but I didn't tear it off. I applied oral ointment for about two days, and there was no bleeding, so I didn't ...


Dr. Hong Yuanbin Reply:
Hello, the healing wound in your oral cavity does indeed appear as you described, with a white color. It should gradually heal and the discoloration will eventually fade. If it continues to enlarge or does not heal, then medical attention will be necessary. Thank you for your inq...

[Read More] Understanding Oral Health: White Bumps and Healing After Injury


Concerns About Fish Bone Injury and Oral Anatomy Explained

Ingestion of fish bones and the structure of teeth and oral cavity, please inquire? Hello, Dr. Hong. During dinner, I suspect I may have bitten my gum on a small fish bone. Fortunately, I don't think I swallowed it, as I spat it out but couldn't find it. Currently, I do...


Dr. Hong Yuanbin Reply:
Hello, the small holes you described in the oral cavity are a normal anatomical structure. As for the fishbone you mentioned, if there are no symptoms, it is likely that it has not penetrated. It is advisable to see an ENT specialist only if you experience any discomfort in the t...

[Read More] Concerns About Fish Bone Injury and Oral Anatomy Explained


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