Understanding Lip Dermatitis: Causes, Symptoms, and Treatment Options
Lips Hello Doctor, I would like to ask for your advice. When I was around 17 years old, I suddenly experienced swelling around my lips, accompanied by a burning sensation and small blister-like rashes on my lips, which sometimes produced a watery discharge. At that time, I was ...
Dr. Zhong Yitun reply Dermatology
At the age of 17, one day my lips suddenly swelled, and there were small blisters that burned intensely, which was likely herpes. If the topical medication you applied contains steroids, it may delay healing at best, or worsen the condition at worst. The herpes virus can be defea...[Read More] Understanding Lip Dermatitis: Causes, Symptoms, and Treatment Options
Understanding Red Bumps on Legs During Pregnancy: Causes and Concerns
Swelling and redness in the leg? Hello Mr. Zhong, I am currently a 6-month pregnant woman. Recently, I developed red, swollen bumps on my calves that have been present for about two weeks. They resemble flea bites but are neither itchy nor painful, and they are expanding, with th...
Dr. Zhong Yitun reply Dermatology
The situation you described may involve several potential underlying conditions. The presence of red, swollen pimples that are painful or tender to the touch is a more concerning sign. Whether the lesions are enlarging naturally or have expanded due to the application of any topi...[Read More] Understanding Red Bumps on Legs During Pregnancy: Causes and Concerns
Understanding Changes in Moles and Skin Growths: When to Seek Help
The mole on my face has raised? Hello Mr. Zhong: My wife has a slightly smooth mole on her face with a diameter of about 0.5 cm. Recently, we noticed that a horn-like growth, approximately 0.5 cm long and 0.2 cm in diameter, has developed in the center of the mole. What could thi...
Dr. Zhong Yitun reply Dermatology
1. The first question clearly indicates a pathological condition, and whether it requires a precise diagnosis or ideal treatment, a consultation with a dermatologist is necessary. 2. The second question suggests that both possibilities exist, and a differential diagnosis by a d...[Read More] Understanding Changes in Moles and Skin Growths: When to Seek Help
Understanding Non-Traumatic Bruising of the Big Toe Nails
Bruising of the big toe nail without external trauma? Last month, the toenails of both my big toes gradually turned dark. After consulting a dermatologist, no cause was found; they only advised me to avoid friction and to monitor the situation. Recently, the toenail on my right f...
Dr. Zhong Yitun reply Dermatology
If the spot under your nail has been growing larger over the past few months, there is concern about melanoma. However, since it occurred last month, based on your description, it is more likely to be due to "physical trauma" (such as ill-fitting shoes, especially if th...[Read More] Understanding Non-Traumatic Bruising of the Big Toe Nails
Effective Treatments and Environmental Management for Scabies
Medications and Environmental Management for Scabies Hello, doctor; 1. Can I add some lotion to the b.b lotion when applying it on scabies patients? If a bottle is usually used twice, I tend to add lotion because my skin is drier. Will this affect the effectiveness? 2. Regard...
Dr. Zhong Yitun reply Dermatology
1. B.B. Lotion is an effective scabicide. Since the skin can become dry, it is acceptable to add some lotion. If the "pure" medication is used, there should be no burning sensation on the skin. Applying some lotion half an hour after the medication can help alleviate dr...[Read More] Effective Treatments and Environmental Management for Scabies
Understanding Toenail Issues: Managing Pain and Bleeding After Trimming
Toenails Thank you for your hard work, doctor! I appreciate you taking the time to respond despite your busy schedule. My mother discovered some granulation tissue under her toenail while trimming it. When she cut it, it suddenly bled, and now it sometimes bleeds when touched. Th...
Dr. Zhong Yitun reply Dermatology
When trimming your mother's toenails, if there is "flesh" underneath and it bleeds when cut, there are several possible conditions (medically referred to as differential diagnoses) that need to be observed in order to differentiate between them. Each of these poten...[Read More] Understanding Toenail Issues: Managing Pain and Bleeding After Trimming
Understanding Hard Growths Between Toes: Is It a Corn or Something Else?
Small growths on the foot? Hello, Doctor: I have five hard growths that look like small tumors in the space between my left big toe and second toe. One of them is about 1 cm wide and 0.5 cm high, while the others are smaller. Could this be what people commonly refer to as "c...
Dr. Zhong Yitun reply Dermatology
There are five hard growths located between the big toe and the second toe on the left foot. If one appeared first and then more developed, with one being larger, it is likely a condition known as "warts," which is caused by an infection with the human papillomavirus (H...[Read More] Understanding Hard Growths Between Toes: Is It a Corn or Something Else?
Understanding Lipomas: Causes, Treatments, and Home Remedies
Lipoma Hello, I would like to ask about the numerous lipomas on my arms and inner thighs. There are really a lot of them, and they are not painful, but they feel quite uncomfortable to touch, especially one that is very noticeable on my arm. A friend suggested considering eating ...
Dr. Zhong Yitun reply Dermatology
Lipomas, if they are small and few in number, can be surgically removed. However, if they grow larger, surgical excision becomes more challenging, especially when there are many of them, making it practically impossible to remove all. The cause of lipomas is unknown, although som...[Read More] Understanding Lipomas: Causes, Treatments, and Home Remedies
Is Vaseline Safe for Treating Itching in the Groin Area?
Can Vaseline be used? I recently read in a book that if there is itching in the groin area, one can use petroleum jelly. I am not sure if this is correct, and I hope the doctor can answer my question. Thank you!
Dr. Zhong Yitun reply Dermatology
Vaseline is an ointment commonly used for dry and cracked skin. However, using Vaseline for itching in the groin area may not be ideal, as there are many potential underlying conditions that can cause this symptom, and the treatment varies depending on the specific condition. Som...[Read More] Is Vaseline Safe for Treating Itching in the Groin Area?
Addressing Hair Loss: Common Concerns and Treatment Options
Hair loss issues Hello, doctor. 1. Will using Rogaine cause any odor? 2. Since I sweat frequently due to my job, can I use KIRKLAND? Will it reduce the effectiveness of the medication? 3. My face and hair are oily, but I do not have flaking. Is this seborrheic dermatitis or o...
Dr. Zhong Yitun reply Dermatology
1. Using Rogaine (minoxidil) may have a slight odor due to its solvent, but it should not be very strong or "irritating," and it should not attract attention from others. However, it is important to note that the active ingredient in Rogaine is also a type of antihypert...[Read More] Addressing Hair Loss: Common Concerns and Treatment Options
Is It Safe to Breastfeed with Skin Conditions Near the Breast?
Is it suitable for breastfeeding? Dear Doctor, Thank you for your response, which has finally provided me with answers to my concerns and put my mind at ease regarding one issue. My lesions have primarily affected my hands for the past 15 years, repeatedly improving and then rel...
Dr. Zhong Yitun reply Dermatology
The more warts you have, the harder they are to treat, possibly due to self-inoculation. It is important to pursue active treatment, such as cryotherapy, to address your concerns. If you are afraid of pain, cryotherapy can be done in a "lighter" manner (shorter duration...[Read More] Is It Safe to Breastfeed with Skin Conditions Near the Breast?
Can Warts Be Inherited by My Baby? Concerns for Expecting Mothers
Will warts be inherited by the baby? Hello Doctor: I am a pregnant mother and I have had warts for many years. I have undergone various treatments, including cryotherapy and salicylic acid treatments. I am now concerned about whether this condition can be inherited by my baby. Is...
Dr. Zhong Yitun reply Dermatology
Pregnant mothers with warts have been receiving treatment for their lesions. It appears that they are indeed affected by warts, but it is unclear whether they have been cured or where the lesions are located. It has been reported that the treatment has been ongoing for a long tim...[Read More] Can Warts Be Inherited by My Baby? Concerns for Expecting Mothers
Persistent Swelling After Insect Bites: What You Need to Know
Swelling that does not subside after a skin bite? Doctor, I have been experiencing prolonged redness and swelling after being bitten by mosquitoes while in the military. It even hurts a bit when I press on it. I am certain that this reaction occurred after the mosquito bite. What...
Dr. Zhong Yitun reply Dermatology
1. After being bitten by mosquitoes, swelling may occur, which could indicate a strong inflammatory response or a bacterial infection introduced through the mosquito's mouthparts. It is advisable to seek treatment from a specialized physician, as self-treatment can lead to s...[Read More] Persistent Swelling After Insect Bites: What You Need to Know
Understanding Cold-Induced Hives: Symptoms and Treatment Options
It only occurs when the weather is cold? Whenever the weather is cold and the wind hits my skin, I develop small, raised bumps similar to mosquito bites, especially around my knees, and they are very itchy. However, they subside once I warm up for a while. Many years ago, I consu...
Dr. Zhong Yitun reply Dermatology
Based on your description, it sounds like a type of physical urticaria known as cold urticaria, which can be classified into hereditary and acquired forms. In the case of acquired cold urticaria, if there is no accompanying muscle pain and the jaundice rash resolves within a day,...[Read More] Understanding Cold-Induced Hives: Symptoms and Treatment Options
Understanding Hives: Causes, Symptoms, and Natural Remedies
Is it urticaria? Hello, I discovered a rash on my body about a month ago, characterized by redness and itching. It started as a small red spot, which then began to enlarge into a rash. After scratching, the area expanded even more, and the itching became unbearable. The episodes ...
Dr. Zhong Yitun reply Dermatology
The rash has persisted for a month, and the fact that it recurs daily is indeed concerning. If the rash appears and disappears repeatedly, it is likely to be urticaria (hives). If the rash is increasing in size and number, with some lesions remaining fixed and not fading, it coul...[Read More] Understanding Hives: Causes, Symptoms, and Natural Remedies
Unexplained Itchy Bumps: Seeking Dermatology Advice Now!
It's very itchy and urgent. Please help me! Hello, I have been experiencing unexplained welts on my body that resemble mosquito bites for the past week. They start off small, but after a while, they grow into larger areas, and they are very itchy. It's quite distressing...
Dr. Zhong Yitun reply Dermatology
Based on your description, it is highly likely that you are experiencing urticaria, commonly known as hives. The sudden onset over the past week suggests that this may be "acute urticaria." Most cases are triggered by food allergies, with potential allergens including s...[Read More] Unexplained Itchy Bumps: Seeking Dermatology Advice Now!