Understanding Side Abdominal Pain and Skin Moles: When to Worry?
Muscles and bones beside the abdomen? Hello Dr. Hsiao, I seem to have felt a sudden ache near my side where the ribs are, and I'm not sure if it's because I didn't warm up properly before doing supine exercises at school yesterday. Although the pain has subsided, c...
Dr. Xiao Yongxun Reply:
Dear Mr. Zheng: 1. Pneumothorax refers to the presence of air or any gas in the pleural cavity, which can occur due to trauma, medical procedures, or unknown reasons. If the lesion creates a one-way valve effect, allowing air to enter the pleural cavity only during inhalation an...[Read More] Understanding Side Abdominal Pain and Skin Moles: When to Worry?
Understanding COVID-19 Transmission Risks in Social Settings
Transmission potential of Wuhan pneumonia? Hello, doctor. Last week I had a bit of a cold and went to see an ENT specialist. I'm still taking medication. The doctor said my lungs sounded fine, but I sometimes have a sore throat along with phlegm and nasal discharge, so I was...
Dr. Xiao Yongxun Reply:
Dear Miss Ning Ning: 1. The Wuhan pneumonia virus (COVID-19 virus) belongs to the second type of coronavirus (also known as β-coronavirus); it is an enveloped RNA virus with a large genome (26-32 kb) and is classified as a zoonotic virus. Currently, the primary transmission rout...[Read More] Understanding COVID-19 Transmission Risks in Social Settings
Unexplained Skin Itching: Causes and When to Seek Medical Advice
Unexplained skin itching? Hello doctor, at the beginning of May, one morning I woke up and suddenly my knees were itchy, but it stopped after about an hour. About a week ago, the back of my right hand suddenly became itchy for no apparent reason, which lasted intermittently for a...
Dr. Xiao Yongxun Reply:
Dear Mr. Guang: Itching due to skin disorders is commonly associated with the following conditions: 1. Infections: fungal infections, bacterial infections, scabies, and lice infestations. 2. Inflammatory responses: psoriasis, seborrheic dermatitis, pityriasis rosea, xerotic de...[Read More] Unexplained Skin Itching: Causes and When to Seek Medical Advice
Is Swallowing Mouthwash Dangerous? Understanding Risks and Safety
A small amount of mouthwash ingestion may be possible? Hello Doctor, I usually rinse my mouth with BMW mouthwash and then rinse with water afterward. Just now, I forgot to rinse with water after spitting it out and went to drink a glass of water right after washing my face. I jus...
Dr. Xiao Yongxun Reply:
Dear Miss Mingming, 1. The ingredients of BMW Mouthwash® are Chlorhexidine Gluconate and alcohol; they can kill bacteria and inhibit bacterial growth. Theoretically, ingesting a small amount of this type of mouthwash should not lead to severe poisoning; there are no related case...[Read More] Is Swallowing Mouthwash Dangerous? Understanding Risks and Safety
Do Ill-Fitting Masks Compromise Protection? A Family Medicine Inquiry
Inquiry about masks? Hello doctor, I received an adult mask from a convenience store, but it seems a bit small and feels tighter on the sides of my face. When I go to crowded places like supermarkets where many people are coughing, I would like to know if the effectiveness of the...
Dr. Ye Qianyu Reply:
Hello! Currently, wearing masks provides a certain level of protection. Don't forget that maintaining social distance and frequent handwashing are also essential measures for disease prevention. If you have concerns about the specifications of masks provided at convenience s...[Read More] Do Ill-Fitting Masks Compromise Protection? A Family Medicine Inquiry
Discrepancy Between Forehead and Ear Temperature: What to Do?
The significant difference between forehead temperature and ear temperature? In recent days, I have been measuring my ear temperature at home, which is around 36.9 degrees Celsius. Due to the current pandemic, I need to have my forehead temperature checked whenever I go to public...
Dr. Xiao Yongxun Reply:
Dear Mr. ABC: 1. Methods for measuring body temperature include rectal, oral, axillary, tympanic, and temporal measurements, with rectal temperature being the closest to the body's true internal temperature. The central body temperature is approximately 37 to 38 degrees Cel...[Read More] Discrepancy Between Forehead and Ear Temperature: What to Do?
Understanding the Contagiousness of Chickenpox and Blister Infections
The contagiousness of blisters? Hello, doctor. Recently, our school has switched to remote learning due to confirmed cases. Just the day before yesterday, a friend in the dormitory showed me that there was a chickenpox infection on their floor, so they started disinfecting again....
Dr. Xiao Yongxun Reply:
Dear Mr. Gina: 1. Chickenpox (Varicella) refers to the disease caused by the initial infection with the varicella-zoster virus (VZV), which is most commonly seen in children under the age of 10, although it can occasionally occur in young adults. The early symptoms resemble thos...[Read More] Understanding the Contagiousness of Chickenpox and Blister Infections
Dealing with Fish Spine Injuries: When to Seek Medical Attention
Stung by a fish spine? Hello doctor, yesterday while preparing dinner, I accidentally got my thumb punctured by a fish fin. Initially, there was some bleeding, but after rinsing it a bit, the bleeding stopped. A few hours later, I noticed that the area around the wound had a slig...
Dr. Liao Yaopan Reply:
Hello, regarding your concerns, it is still recommended to monitor for any changes indicating infection. Additionally, some specific fish species may have venomous spines, so if you have any doubts, it is advisable to seek medical attention for confirmation. Please note: online c...[Read More] Dealing with Fish Spine Injuries: When to Seek Medical Attention
Understanding Headaches and Neck Pain: When to Seek Medical Help
Headaches and Neck Issues Hello, Doctor: I have been prone to headaches since childhood, triggered by various factors such as heat and stress. Most of my headaches require pain relievers for relief, but the effects of the medication are usually quick. Does this mean that my heada...
Dr. Xiao Yongxun Reply:
Dear Ms. Kanghua: 1. Headache is a clinical symptom with a complex array of causes, leading to significant variability in the severity and urgency of the condition. Accurate diagnosis of headaches primarily relies on a detailed history and clinical symptoms, supplemented by vari...[Read More] Understanding Headaches and Neck Pain: When to Seek Medical Help
Should College Students Get a Hepatitis B Vaccine Boost or Complete the Series?
Hepatitis B vaccine Hello Doctor, I am a college freshman. During the freshman health check-up, I was advised to consult about receiving the Hepatitis B vaccine. After consulting with a family medicine doctor at school, the doctor presented two options: (1) pay out of pocket fo...
Dr. Xiao Yongxun Reply:
Dear Mr. Hank: 1. In our country, since 1985, infants and young children have been comprehensively vaccinated against Hepatitis B. Therefore, given your age, you should have received the complete series of Hepatitis B vaccinations; you can verify this by checking the vaccination...[Read More] Should College Students Get a Hepatitis B Vaccine Boost or Complete the Series?
Concerns About Rabies Vaccination After Cat Scratch Abroad
Concerns about receiving rabies vaccination abroad? Hello, Doctor. The patient was scratched by a wild cat in the Philippines on 10/13 (no bite wound), with slight surface bleeding. They received a rabies vaccine locally on 10/14. They will return to the hospital to receive equin...
Dr. Xiao Yongxun Reply:
Dear Ms. VV: 1. Currently, there are two known rabies vaccines: a. Verorab® (Sanofi Pasteur), which is cultured in African green monkey kidney cells. b. Rabipur® (Novartis), which is a purified chick embryo cell vaccine. 2. Clinically, it is preferable to use the same ...[Read More] Concerns About Rabies Vaccination After Cat Scratch Abroad
Understanding Ear Pain and Symptoms: When to See a Specialist
Inquiry about medical specialties? Hello, Doctor. I started experiencing unexplained ear pain since November of last year, but I didn't pay much attention to it since it only occurred when I was very tired. However, around March, I began to feel swelling behind my ear. After...
Dr. Liao Yaopan Reply:
Hello, regarding your concerns and discomfort, it is still recommended to seek further evaluation from an otolaryngologist (ENT specialist). Additionally, it seems that you may have issues with poor sleep; if necessary, you can consult a psychiatrist for assistance. We encourage ...[Read More] Understanding Ear Pain and Symptoms: When to See a Specialist
Understanding a Hard Lump on the Left Shoulder: Causes and Next Steps
There is a hard lump on the left shoulder? Hello, doctor: A couple of days ago, while scratching, I noticed a hard lump near the neck on my left shoulder. The lump is about 2 centimeters in diameter, painful when pressed, and does not move. There is no redness or swelling on the ...
Dr. Xiao Yongxun Reply:
Dear Ms. Huang: 1. There is a hard lump near the neck on your left shoulder, approximately 2 centimeters in diameter. The conditions that should generally be considered include lymphadenopathy, cysts, abscesses, sebaceous cysts, tumors, fibromas, and lipomas, among others. 2....[Read More] Understanding a Hard Lump on the Left Shoulder: Causes and Next Steps
Which Specialist to See for Facial Numbness and Tremors?
Which specialty should I see, and is it possible to have combined treatment? I would like to ask the doctor, I have been experiencing long-term numbness in my mouth and involuntary twitching on one side of my face (cheek, lower eyelid, eyebrow, either the left or right side). Whi...
Dr. Xiao Yongxun Reply:
Dear Mr. Ed: Involuntary twitching or tingling sensations in the face, eyelids, or eyebrows can be associated with a variety of conditions. Common considerations include spasms, peripheral neuropathy, peripheral vascular disease, metabolic disorders, autoimmune diseases, and ne...[Read More] Which Specialist to See for Facial Numbness and Tremors?
Understanding Dizziness and Chest Discomfort After Meals: A Medical Perspective
Experiencing dizziness and chest tightness with a desire to take deep breaths often occurs after lunch or during meals? Mid-February: After dinner (Big Mac) at 7:00 PM, I felt dizzy and had chest tightness, which made me want to take deep breaths. The dizziness was severe enough ...
Dr. Cai Dongqi Reply:
Hello, based on the symptoms you described, it seems you may be experiencing psychosomatic issues due to life stress rather than a specific disease. The focus should be on gastrointestinal health and lifestyle adjustments. I recommend that you consult a psychiatrist or a speciali...[Read More] Understanding Dizziness and Chest Discomfort After Meals: A Medical Perspective
Which Specialist to Consult for Alcohol-Related Facial Swelling?
Which specialty should I see? Hello, whenever I consume alcohol or alcoholic beverages, such as rice wine in dishes like Shao Jiu Chicken or Shao Jiu Shrimp, my right cheek swells up. I also feel a painful and tight sensation in a muscle on the right side of my neck, and my right...
Dr. Xiao Yongxun Reply:
Dear Mr. Hsiao: 1. Since you have already consulted many specialists and undergone numerous tests, including a CT scan, and no issues have been identified, it is theoretically unlikely that a diagnosis such as a tumor is present; however, it remains challenging to pinpoint the e...[Read More] Which Specialist to Consult for Alcohol-Related Facial Swelling?
How to Prevent Infections from Minor Skin Injuries on the Nose
Questions about inflammation prevention? Hello doctor, recently my nose has been chafed by my glasses, resulting in a small skin wound with a little bleeding. What can I do to prevent inflammation, such as cellulitis, in this type of wound? Thank you.
Dr. Xiao Yongxun Reply:
Dear Mr. Chen: 1. Unless one has diabetes, immunocompromising conditions, is taking immunosuppressants, or has other specific reasons, it is not easy for cellulitis to occur in the face due to good tissue circulation. 2. That said, occasional cases of facial cellulitis are stil...[Read More] How to Prevent Infections from Minor Skin Injuries on the Nose
Understanding Open Wounds: Skin Irritation and HIV Infection Risks
Questions about skin abrasions and infections? A skin abrasion without bleeding that is red and painful to the touch is considered an open wound. If this wound comes into contact with HIV-infected blood, there is a potential risk of infection. However, the risk of HIV transmissio...
Dr. Xiao Yongxun Reply:
Dear Mr. Anonymous: 1. The skin can be divided into the epidermis, dermis, and subcutaneous tissue. The epidermis is composed of keratinocytes and can be further divided from the deepest to the most superficial layers into the stratum basale, stratum spinosum, stratum granulosum...[Read More] Understanding Open Wounds: Skin Irritation and HIV Infection Risks
Managing a Benign Liver Hemangioma: When No Symptoms Require Action
The endoscopy report indicates that the hepatic hemangioma is slightly compressing the stomach? Hello Dr. Yeh: I recently underwent an upper gastrointestinal endoscopy, and the report mentioned that a benign hemangioma in the left lobe of my liver is slightly compressing the stom...
Dr. Ye Qianyu Reply:
Hello, based on your description, it is suspected that the liver tumor is compressing the gastric body. Since the nature of the liver tumor is unknown, it is difficult to predict changes. Additionally, it is important to know the size of the liver tumor; even if it is benign, if ...[Read More] Managing a Benign Liver Hemangioma: When No Symptoms Require Action
Understanding Bruises and Hard Lumps: When to Seek Medical Advice
To develop a bruise that then turns into a hard lump? When I was in the third grade of elementary school, I slipped on a wet surface while going down the stairs and bumped my thigh near the outer side close to the hip. At that time, I had a large bruise, but I didn't pay muc...
Dr. Wu Huixiong Reply:
It is advisable for you to visit a medical facility for an examination. Wishing you good health![Read More] Understanding Bruises and Hard Lumps: When to Seek Medical Advice