Understanding Sudden Arm and Armpit Pain Upon Waking Up
Upon waking up in the morning, I experienced pain in my left forearm, upper arm, and armpit? On Tuesday, I woke up to find that I had pain on the outer lower side of my left upper arm. The pain is triggered by lightly touching the surface of the skin, but I did not engage in any ...
Dr. Cai Dongqi Reply:
Hello: For pain due to muscle fiber injury, please consult a neurologist.[Read More] Understanding Sudden Arm and Armpit Pain Upon Waking Up
Understanding Umbilical Skin Issues: When to See a Dermatologist
Umbilical abrasion The umbilical area is broken, with surrounding skin redness. There is a small amount of blood when wiped with a cotton swab. There was pus the day before, but after disinfecting with hydrogen peroxide, there is no more pus, only blood stains. Should I see a der...
Dr. Lin Zhebin Reply:
Hello: Regarding the issue with the skin around your navel, the presence of redness and discharge may indicate cellulitis. The location of the navel is quite unique, and if not properly managed, it could lead to abdominal wall infection or even more serious infections. It is advi...[Read More] Understanding Umbilical Skin Issues: When to See a Dermatologist
The Risks of Maggots to Human Health: What You Need to Know
The harm of maggots to the human body? Hello, doctor! As mentioned, I am currently a student and working part-time as a cleaner at school. Yesterday, when I lifted the lid of a trash can, a lot of small insects, likely fruit flies, flew out. I also discovered several maggots on t...
Dr. Ye Qianyu Reply:
Hello! The harm caused by maggots to the body primarily occurs when they burrow into the host's tissues and feed, resulting in severe damage to the host's body tissues. The infected areas typically produce foul-smelling secretions and may become ulcerated, leading to or...[Read More] The Risks of Maggots to Human Health: What You Need to Know
Understanding Redness and Symptoms in the Calf After Vaccination
Regarding the redness observed in the calf area? Hello Doctor, since receiving the AZ vaccine last year, I have been constantly visiting doctors. Later, the doctors determined that I might have autonomic nervous system dysfunction. About a month after the vaccination, I noticed t...
Dr. Lin Zhebin Reply:
Hello: Regarding the discomfort in your calf, since thrombosis has been ruled out, I would personally consider the possibility of vasculitis. As for the condition you mentioned, Marshall-Smith syndrome, it is a rare disease caused by a congenital genetic mutation. In addition to ...[Read More] Understanding Redness and Symptoms in the Calf After Vaccination
Unexplained Redness, Itching, and Bruising: When to See a Doctor?
Unexplained localized redness, swelling, itching, and petechiae? Hello Doctor: Recently, I have noticed a small area on the left side of my jaw extending to my neck, with red, raised bumps that resemble mosquito bites and are itchy. There are more than five or six of these bumps....
Dr. Lin Zhebin Reply:
Hello: Regarding the rash from your left lower jaw to your neck, I personally suspect it could be due to mosquito bites or folliculitis (acne). Additionally, concerning the small bruises on both of your arms, I suspect they might be superficial venous hemangiomas or moles. Howeve...[Read More] Unexplained Redness, Itching, and Bruising: When to See a Doctor?
Should You Get an X-Ray After a Cheekbone Injury?
Fracture of the zygomatic bone? Dr. Lin was at home a few days ago when his child accidentally bumped into his cheekbone. Currently, he has no discomfort, bruising, or swelling. Due to the rising pandemic situation, he is asking whether it is necessary to get an X-ray for confirm...
Dr. Lin Zhebin Reply:
Hello: Regarding the issue of your cheekbone being hit by a child, since you currently have no significant discomfort and there is no redness, swelling, or bruising observed, I personally believe that you can hold off on getting an X-ray for now. However, I recommend that you mon...[Read More] Should You Get an X-Ray After a Cheekbone Injury?
Understanding Low-Grade Fever: Causes and Concerns in Family Medicine
Temperature issues Hello Doctor: My condition started on the 7th of this month, when I felt a sensation of body heat for about four days (I didn't take my temperature, as I have experienced this occasionally before, and it has never been a real fever; just a warm neck, along...
Dr. Xiao Yongxun Reply:
Dear Ms. Amy: 1. Humans possess physiological mechanisms to regulate and maintain core body temperature. When there is a need to release excess heat, the body cools down by increasing blood circulation to the skin and sweating. Conversely, to conserve internal heat, the body red...[Read More] Understanding Low-Grade Fever: Causes and Concerns in Family Medicine
Understanding Left Chest and Rib Pain: Causes and Solutions for Office Workers
Pain in the left sternum and lower edge? Hello Doctor, I am an office worker who has a sedentary lifestyle and lacks exercise. About a month ago, I started experiencing pain in my left back, left sternum (slightly to the left of the nipple line), left armpit, and the rib area ben...
Dr. Lin Zhebin Reply:
Hello: Regarding your pain issue, the general area is located in the left chest and underarm. The potential causes could range from skin, muscle ligaments, breast, ribs, pleura, lungs, or heart problems. Based on your medical evaluation, it is likely that you have a breast fibroc...[Read More] Understanding Left Chest and Rib Pain: Causes and Solutions for Office Workers
Understanding Elevated White Blood Cell Count: What Your Blood Test Results Mean
Hello: Please determine if the following data indicates leukocytosis? Hello Doctor: May I ask if the following data indicates leukocytosis? I have blood tests every three to four months. When reviewing the report, the doctor mentioned that this data is similar to the data from th...
Dr. Lin Zhebin Reply:
Hello: Regarding the abnormal results from your blood test, you indeed have an issue with elevated white blood cell counts. Additionally, upon closer examination of your white blood cell differential, there is a suspicion of eosinophilia, which may be associated with allergies, i...[Read More] Understanding Elevated White Blood Cell Count: What Your Blood Test Results Mean
Health Risks of Using Solvents and Chemicals for Cleaning Walls
Solvent or other chemical matters? Hello, a few years ago, I caused grease stains on the walls of my rental apartment while cooking, and I bought a product to wipe those stains. I forgot what the product was, possibly a solvent or acetone, and I am uncertain about it. Recently, I...
Dr. Liao Yaopan Reply:
Hello, regarding your concerns: 1. The use of volatile solvents in small amounts in well-ventilated areas may not result in high residual levels; it is best to avoid their use if possible. 2. Whether a substance is hazardous is still related to the type of material and the amount...[Read More] Health Risks of Using Solvents and Chemicals for Cleaning Walls
Understanding Skin Issues: Red Bumps and Scabs on Arms
Skin issues The appearance of numerous small red bumps and crusty lesions on the outer sides of both arms, some located beneath the hair, could indicate several potential skin conditions. Possible diagnoses include folliculitis, which is inflammation of the hair follicles, or con...
Dr. Lin Zhebin Reply:
Hello: Based on your description and the images, it is possible that you have "keratosis pilaris." It is important to pay attention to sun protection for your arms.[Read More] Understanding Skin Issues: Red Bumps and Scabs on Arms
Unexplained Itching: Is It Related to Stress or Other Issues?
Itching of the skin without significant changes in appearance? Hello doctor, I have been experiencing unexplained itching on my skin recently, but there doesn't seem to be any visible changes. I've also been feeling more stressed lately. Could the skin itching be relate...
Dr. Xiao Yongxun Reply:
Dear Mr. Lin: There are many causes of skin itching, most commonly including eczema, fungal infections, bacterial infections, contact dermatitis, irritant dermatitis, allergic dermatitis, and xerotic dermatitis, among others. Additionally, there are other causes such as medicatio...[Read More] Unexplained Itching: Is It Related to Stress or Other Issues?
Understanding Jaw Pain: Is It a Lymph Node Issue?
Jaw pain (lymphatic issue?) Hello, Doctor: Recently, for the past two or three days, I have felt a hard lump on my chin. It feels slightly raised to the touch and is painful when pressed. There are no visible abnormalities on the skin's surface, and it is completely unnotice...
Dr. Ye Qianyu Reply:
Hello! It is recommended that you visit an otolaryngology clinic.[Read More] Understanding Jaw Pain: Is It a Lymph Node Issue?
Understanding Belly Button Pain: When to Seek Medical Advice
Umbilical issues Hello, doctor. Recently, I have been experiencing pain in my belly button. It looks normal on the outside, with no redness or swelling, but it hurts when I press on it. It feels like the skin is painful, while pressing around the belly button does not cause any p...
Dr. Chen Bozhang Reply:
Hello! It is recommended to first consult with a family medicine clinic for evaluation and treatment by a physician. Thank you![Read More] Understanding Belly Button Pain: When to Seek Medical Advice
COVID-19 Vaccination Concerns for Patients with Thalassemia
COVID-19 vaccine Doctor, I have mild thalassemia. After receiving the first dose of the AZ vaccine at the end of last year, I have had a persistent low-grade fever ranging from 37 to 38 degrees Celsius for almost three weeks. I also have some rashes on my body, which I believe I ...
Dr. Ye Qianyu Reply:
Hello! It is recommended that you go directly to a medical facility for a physician to examine you. If the delayed skin reaction is not too severe, you may still receive the vaccine. However, mixing vaccines may have stronger side effects and may not be suitable for everyone.[Read More] COVID-19 Vaccination Concerns for Patients with Thalassemia
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?
Understanding Movable Lumps Under the Skin: When to Seek Medical Advice
A lump under the skin? Hello, doctor... Today I felt a smooth, movable lump about 0.2 centimeters in size under the skin near my calf. What could this be? Do I need to see a doctor? Which specialty should I consult? Or should I just observe it and seek medical attention if it con...
Dr. Xiao Yongxun Reply:
Dear Anonymous, 1. There are many factors to consider; common causes include fibromas, lipomas, neurofibromas, schwannomas, angiolipomas, microangiomas, aneurysms, varices, chronic inflammation, and so on; of course, there are also other rare causes. 2. Please discuss this wi...[Read More] Understanding Movable Lumps Under the Skin: When to Seek Medical Advice
Understanding Skin Sensations: Causes of Pain and Vein Visibility
Visible veins with a prickling sensation (abnormal feeling) and skin rash? Hello: I have been experiencing insomnia and a disruption in my daily life over the past week. I feel a slight tingling sensation under the skin of my head, hands, feet, and parts of my torso, along with a...
Dr. Ye Qianyu Reply:
Hello! Based on your description, the blue veins are likely superficial veins, and it may be that your subcutaneous tissue is thinner, making them more prominent. I recommend that you regularly hydrate adequately and engage in regular exercise; this will improve venous return and...[Read More] Understanding Skin Sensations: Causes of Pain and Vein Visibility
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
Common Concerns About Blood Draws: Vaseline, Pain, and Skin Health
Questions related to blood draw? Hello Dr. Hsiao, today I had some unsettling questions after my blood draw and would like to ask you a few things: 1) Due to the recent dry air, I have been applying petroleum jelly to dry areas of my skin. However, I forgot that I had applied i...
Dr. Xiao Yongxun Reply:
Dear Mr. JAM: 1. Vaseline is a type of petroleum jelly derived from the refining of petroleum, classified as a hydrocarbon. Due to the potential presence of various impurities, it undergoes different levels of purification based on specific needs. Many ointments use 100% pure Va...[Read More] Common Concerns About Blood Draws: Vaseline, Pain, and Skin Health