Saliva, Family Medicine FAQ - Page 2

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Dealing with Foamy Saliva: Causes and Solutions for Discomfort

If your saliva is foamy, what should you do? Hello, for the past two months, my saliva has been foamy and when I swallow, I feel like I'm swallowing air, which is very uncomfortable. I also have very small amounts of phlegm that is clear and saliva-like. Initially, I thought...


Dr. Hou Angting Reply:
Hello: I recommend that you visit an otolaryngology clinic for further evaluation. Wishing you good health.

[Read More] Dealing with Foamy Saliva: Causes and Solutions for Discomfort


Persistent Dry Mouth and Cracked Lips: When to Seek Medical Help?

Frequent dry mouth and mouth sores, with adequate hydration but no improvement? Hello, doctor. Since last year, I have been experiencing occasional sudden dry mouth, which has led to chapped lips and dry skin. In the mornings, I wake up with a dry mouth and throat, and I occasion...


Dr. Xiao Yongxun Reply:
Dear Ms. Chen: 1. "Frequent dry mouth and oral ulcers, with adequate fluid intake but no improvement," presents numerous differential diagnosis considerations. In addition to general inflammatory responses, one should also consider infections, diabetes mellitus, thyro...

[Read More] Persistent Dry Mouth and Cracked Lips: When to Seek Medical Help?


Assessing Health: Is It Physical or Psychological Anxiety?

Please have the physician evaluate? Hello, doctor. I am someone who is prone to anxiety, and recently I have been experiencing various physical issues. I feel that something is off with my body. In addition to gastroesophageal reflux, I often experience dry mouth (which does not ...


Dr. Hou Angting Reply:
Hello, internet user: I suggest you first visit a family medicine physician for further evaluation. Wishing you good health.

[Read More] Assessing Health: Is It Physical or Psychological Anxiety?


Do I Need Rabies Vaccination After Cat Bite? Expert Advice

Is there still a concern about rabies infection, and should a vaccine be administered? About three years ago, on a Sunday afternoon, I encountered my neighbor's cat in the stairwell of our apartment building. The cat often roamed around the building. That afternoon, as I was...


Dr. Cai Dongqi Reply:
Hello: I'm not very clear about this, so I'm asking in the infectious disease outpatient clinic.

[Read More] Do I Need Rabies Vaccination After Cat Bite? Expert Advice


Why Do I Wake Up with Blood in My Saliva? Common Causes Explained

Waking up with blood in saliva? Hello, I would like to ask about a situation where I wake up in the middle of the night and find blood in my saliva. What could be the cause of this?


Dr. Liao Yaopan Reply:
Hello, it is recommended to first have an evaluation by a dentist, and then determine if a referral to another specialist is necessary. Online consultations are not equivalent to in-person visits and cannot provide diagnoses or treatment recommendations. Changhua Hospital cares a...

[Read More] Why Do I Wake Up with Blood in My Saliva? Common Causes Explained


Blood in Saliva Upon Waking: Possible Causes and Next Steps

Waking up with blood in saliva? In the past 1 to 2 months, whenever I lie flat on the bed and then get up, there is always blood in my saliva. I do not have a cough. What could be the cause of this? Given the current pandemic situation, which specialty should I prioritize for exa...


Dr. Ye Qianyu Reply:
Hello! It is recommended that you visit an otolaryngologist and a dentist.

[Read More] Blood in Saliva Upon Waking: Possible Causes and Next Steps


Understanding Sour and Tingling Sensations on the Tongue

Questions about a sour or astringent sensation on the tongue? Hello Doctor, since around the end of last year, I have been experiencing a tingling and sour sensation on parts of my tongue (specifically the left anterior side and tip) intermittently. However, my sense of taste is ...


Dr. Xiao Yongxun Reply:
Dear Mr. Jam: The taste receptors in the human body are known as taste buds, which are specialized epithelial cells connected to sensory neurons. They are papillae-shaped and exist on the surface of smooth epithelial cells. Different types of papillae occupy specific regions of ...

[Read More] Understanding Sour and Tingling Sensations on the Tongue


Unusual Saliva Taste: Understanding Changes and Seeking Solutions

My saliva has had a strange taste in the past few months? Since around July of this year, I have been experiencing a strange taste in my saliva on the left side. It seems to have a slightly sour and salty flavor, and the saliva on the left side feels thicker, although there is no...


Dr. Liao Yaopan Reply:
Hello, saliva is not entirely tasteless. If you are experiencing persistent discomfort, it is indeed recommended to consult an otolaryngologist to evaluate whether there are any specific issues with the salivary glands. Additionally, a dental examination is necessary to check for...

[Read More] Unusual Saliva Taste: Understanding Changes and Seeking Solutions


Understanding Rabies Latency: Risks After Cat Scratch Injury

Rabies incubation period Hello doctor, about six years ago I was scratched by a wild cat. At that time, I was unsure if I received the rabies vaccine (because I heard that the rabies vaccine requires multiple doses; I remember I only received two shots, one for tetanus and I forg...


Dr. Xiao Yongxun Reply:
Dear Mr. Jiang: 1. The rabies virus is a rod-shaped virus belonging to the Lyssavirus genus. All viruses in this genus share similar antigens, but monoclonal antibodies or nucleic acid sequencing can distinguish viruses from different regions or animal sources. Animals infected ...

[Read More] Understanding Rabies Latency: Risks After Cat Scratch Injury


Understanding Rabies Latency: Risks After Cat Scratch Injury

Rabies incubation period Hello, doctor. About six years ago, I was scratched by a wild cat. At that time, I wasn't sure if I received the rabies vaccine (because I heard that the rabies vaccine requires multiple doses; I remember getting two shots, one for tetanus and I forg...


Dr. Xiao Yongxun Reply:
Dear Mr. Jiang: 1. The rabies virus is a rod-shaped virus belonging to the Lyssavirus genus. All viruses in this genus share similar antigens, but monoclonal antibodies or nucleic acid sequencing can differentiate viruses from different regions or animal sources. Animals infecte...

[Read More] Understanding Rabies Latency: Risks After Cat Scratch Injury


Morning Saliva with Blood: Causes and Concerns Explained

Blood in saliva? Doctor, what could be the reason for having blood in saliva upon waking up in the morning? It goes away after rinsing my mouth. Is this an issue related to the oral cavity or the stomach?


Dr. Liao Yaopan Reply:
Hello, based on your description, it is advisable for your parents to take you to a medical facility for further evaluation to confirm the possible causes. Please note that online consultations are not equivalent to an in-person examination and cannot provide a diagnosis or treat...

[Read More] Morning Saliva with Blood: Causes and Concerns Explained


Understanding Saliva Issues: Causes and Solutions for Dry Mouth

Saliva issues Hello Doctor: Recently, I have been experiencing frequent shoulder and neck pain, as well as knee pain and numbness in my legs. I was considering taking some B vitamins or a multivitamin to alleviate these symptoms, but every time I take them, I experience dry mouth...


Dr. Liao Yaopan Reply:
Hello, it is recommended that you consult a rheumatologist to assess your condition. Please note that online consultations are not equivalent to an in-person visit and cannot provide a diagnosis or treatment recommendations. Changhua Hospital cares about you.

[Read More] Understanding Saliva Issues: Causes and Solutions for Dry Mouth


Understanding Rabies Risks: Can Contaminated Shoes Transmit the Virus?

Rabies-related issues? Hello! I visited Sun Moon Lake on May 15, and I heard that there have been concerns about wild animals in Nantou being infected with rabies in recent years. I would like to ask, if I stepped on a place that was touched by a wild animal infected with rabies,...


Dr. Ye Qianyu Reply:
Hello! Here is the reference material from the Centers for Disease Control: https://www.cdc.gov.tw/File/Get/8sVnWl9vkSfSQH3sH3mA9w https://www.cdc.gov.tw/File/Get/uoW2kaeIPdir-V4LqBSkEA. The usual mode of transmission is through animal bites, which can then infect another individ...

[Read More] Understanding Rabies Risks: Can Contaminated Shoes Transmit the Virus?


Understanding Facial Swelling: Causes and When to Seek Medical Help

Swelling on the left side of the face? This morning, when I woke up and yawned, I noticed that my left cheek felt very tight, and upon looking in the mirror, I saw that my left cheek was completely swollen. I had previously sought medical attention in 2019-2020 due to severe pain...


Dr. Liao Yaopan Reply:
Hello, based on your description, it is still recommended to seek further evaluation from an otolaryngologist or a dentist. Online consultations are not equivalent to in-person medical visits and cannot provide diagnoses or treatment recommendations. Changhua Hospital cares about...

[Read More] Understanding Facial Swelling: Causes and When to Seek Medical Help


Understanding HIV Infection Risks: Common Concerns and Testing Options

Risk of HIV Infection Doctor, I apologize, but I have two questions to address. 1. Today, after work, a colleague helped me move my car, and during the process, his fingernail accidentally cut my finger, causing a small amount of bleeding. I didn't pay special attention to...


Dr. Chen Bozhang Reply:
Dear Mr. H: Regarding the two situations mentioned in your letter, the likelihood of being infected with the HIV virus is almost nonexistent. The transmission routes for HIV include unprotected sexual intercourse, blood contact or transfusion, sharing needles with an HIV-infect...

[Read More] Understanding HIV Infection Risks: Common Concerns and Testing Options


Can I Contract Rabies from a Package Sent from China?

Inquiring whether packages sent from across the strait could be infected with rabies? Hello Doctor: Today I received a package sent from Guangzhou and Shanghai. While opening the package, I accidentally applied too much force, and when the bubble wrap popped back, I felt a liquid...


Dr. Wu Zongying Reply:
Rabies is a viral infection, and the virus cannot survive in a package for many days. Therefore, you do not need to worry about contracting rabies.

[Read More] Can I Contract Rabies from a Package Sent from China?


How to Alleviate Dryness and Pain in the Nose and Philtrum

Dry and painful sensation in the nose and philtrum area? Hello, recently the weather has turned cooler, and my nose, as usual during cold weather, has become dry and painful. The area inside my nostrils down to the philtrum hurts when touched, and it cracks and forms scabs that a...


Dr. Ye Qianyu Reply:
Hello! Based on your description, it is recommended to apply petroleum jelly (lip balm can also be used) on the cracked area. Wearing a mask can help prevent cold air and dirt from coming into contact, but if the mask becomes wet with saliva, it is advisable to change it to avoid...

[Read More] How to Alleviate Dryness and Pain in the Nose and Philtrum


Do You Need Rabies Vaccine After a Mouse Bite? Understanding Risks and Myths

Mice, rabies 1. Do I need to get a rabies vaccine if bitten by a mouse? (The wound has healed, but I'm concerned because there have been many dead mice in my house recently.) 2. Even if bitten by an animal that is infected with rabies, is it possible not to contract the di...


Dr. Xiao Yongxun Reply:
Dear Mr. Han: 1. The risk of rabies in Taiwan is currently limited to wild animals in the central, southern, and eastern mountainous regions, with the main infected species being the ferret badger, and a few cases involving the white-nosed coati. The current regulation states th...

[Read More] Do You Need Rabies Vaccine After a Mouse Bite? Understanding Risks and Myths


How Long Can Rabies Virus Survive in Saliva Under Different Conditions?

Rabies virus activity issues? Hello, Doctor. I would like to ask how long saliva containing the rabies virus remains infectious in a typical air-dry environment at room temperature. Does saliva with the rabies virus lose its infectivity within a few minutes (not exceeding one hou...


Dr. Xiao Yongxun Reply:
Dear Sir/Madam, 1. The rabies virus (Rabies virus) is an RNA virus belonging to the Lyssavirus genus and is the causative agent of rabies. The complete rabies virus has a bullet-shaped morphology, measuring approximately 200 nm in length and about 70 nm in diameter. It is an env...

[Read More] How Long Can Rabies Virus Survive in Saliva Under Different Conditions?


How Long Does Rabies Virus Remain Active in Saliva at Room Temperature?

Rabies virus environmental stability issues? Hello, Doctor. I would like to ask how long saliva containing the rabies virus remains infectious in a typical non-sterile, non-dusty environment with air at room temperature (20-25°C). There are many articles online discussing this is...


Dr. Wu Zongying Reply:
Based on your letter, it should be difficult to contract rabies. The rabies virus is primarily transmitted through bites from dogs or rodents, with the virus progressively invading the central nervous system via peripheral nerves, leading to the symptoms of rabies. The virus does...

[Read More] How Long Does Rabies Virus Remain Active in Saliva at Room Temperature?


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