Rash, Dermatology FAQ - Page 19

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Understanding Facial Rash: Causes and Treatments for Red Spots

Rash on the facial contours? Hello Doctor: Recently, the contours of my face have become red and developed small red spots that are itchy. Sometimes, I also get tiny bumps that resemble acne or whiteheads, and in more severe cases, they develop into larger pimples with pus. I hav...


Dr. Yang Zhiya Reply:
There are many causes of facial rashes, including allergies, acne, various types of dermatitis, and autoimmune conditions. A direct examination by a dermatologist is necessary to provide a diagnosis, education, and treatment.

[Read More] Understanding Facial Rash: Causes and Treatments for Red Spots


Understanding Shingles: Can You Get It Without Having Chickenpox?

Shingles issues Hello, I recently had shingles. However, I am certain that I have never had chickenpox, as I received the chickenpox vaccine during middle school. Why did I still get shingles?


Dr. Wu Yuxin Reply:
First, it is essential to confirm whether the diagnosis of shingles is accurate. If it is confirmed: 1. Shingles is a reactivation of the varicella-zoster virus, which remains dormant in the body (in the nerve ganglia), so one must have been previously infected with the varicella...

[Read More] Understanding Shingles: Can You Get It Without Having Chickenpox?


Persistent Skin Pain: Understanding Prolonged Balanitis and Its Treatment

Skin prickling or tingling? Hello Doctor: I have been experiencing balanitis for two months without improvement. I feel a slight sting when urinating and some itching. There is also a significant amount of post-void dribbling. Various tests for gonorrhea, syphilis, HIV, and chlam...


Dr. Wu Yuxin Reply:
How to address the need to visually assess the skin condition before making a decision? Based on your description, it could potentially be urticaria combined with a candidal infection; however, I must emphasize once again that it is essential to see the skin condition in person t...

[Read More] Persistent Skin Pain: Understanding Prolonged Balanitis and Its Treatment


Can Diaper Rash Cause Fever in Seniors? Understanding the Connection

Can diaper rash cause a fever? Hello, doctor. My mother is 74 years old and has limited mobility due to an injury, so she usually wears adult diapers. Recently, we noticed a rash on the back of her right hip, with small red spots that feel prickly to the touch. Over the past two ...


Dr. Wu Yuxin Reply:
Possible conditions include folliculitis, herpes (either simplex or zoster), and candidiasis. As for fever, the likelihood of experiencing fever in conjunction with the aforementioned conditions is relatively low. It is advisable to seek medical attention promptly to avoid any de...

[Read More] Can Diaper Rash Cause Fever in Seniors? Understanding the Connection


Can Scabies Appear on the Penis and Testicles? Understanding Symptoms and Treatment

Scabies I would like to ask if scabies can occur on the glans and scrotum? If so, would it appear as red bumps of varying sizes? If not, should I see a urologist?


Dr. Lin Xinpeng Reply:
Hello: Scabies can indeed cause what is known as scabies granuloma on the glans and scrotum, presenting as lesions similar to pruritic rashes or nodules. However, to diagnose scabies, it is necessary to combine the contact history with clinical skin manifestations for differentia...

[Read More] Can Scabies Appear on the Penis and Testicles? Understanding Symptoms and Treatment


Understanding Rashes: Causes, Symptoms, and Treatment Options

Widespread rash on the body? Hello, doctor. I have had atopic dermatitis since childhood, and I have food allergies. A few days ago, I suddenly felt hot all over, and small bumps appeared on my body. The next day, I went to see a doctor, who administered an antihistamine injectio...


Dr. Lin Xinpeng Reply:
Hello: There are many causes of generalized erythema, which can result from underlying conditions such as atopic dermatitis or psoriasis presenting acutely, or acquired factors such as food, environmental triggers, infections, drug allergies, and systemic diseases leading to alle...

[Read More] Understanding Rashes: Causes, Symptoms, and Treatment Options


Understanding Scabies: Skin Peeling and Treatment Progress in Children

Scabies exfoliation Hello, my child just turned one year old. Four weeks ago, he started developing rashes on his hands and feet, which later became concentrated in the armpits, leading to severe allergic reactions with widespread redness and swelling. It was only last week that ...


Dr. Wu Yuxin Reply:
The body starting to peel significantly is not a sign of improvement. The cause of the peeling, whether it is controlled or improving, must be determined through a skin examination. Since treatment has already begun, the likelihood of developing Norwegian scabies is low. Addition...

[Read More] Understanding Scabies: Skin Peeling and Treatment Progress in Children


Understanding Skin Issues: Rashes, Dermatitis, or Allergies?

Is it a spot? Is it a rash? Is it dermatitis? Is it a mole? Or is it an allergy? Hello, I have developed reddish-brown spots in my groin area (inner thigh) that appear somewhat dry and crusty. Each spot varies in size, resembling strawberry seeds (the largest is about 0.8 cm in d...


Dr. Lin Xinpeng Reply:
Hello: Based on your description, there are many potential causes for this type of rash, such as allergic dermatitis, fungal infections, and parasitic infections, which can all occur in skin folds like the groin or armpits. If your rash has not resolved after treatment, it is adv...

[Read More] Understanding Skin Issues: Rashes, Dermatitis, or Allergies?


Understanding Eczema in Infants: When to See a Dermatologist

Pediatric eczema Hello, doctor. My child is about 10 months old. About a month ago, small rashes appeared above the pubic bone and in the groin area, resembling eczema with small red spots. We followed up with a pediatrician and received a steroid-containing eczema cream, which h...


Dr. Wu Yuxin Reply:
There should still be diapers involved. If there are diapers, then both eczema and fungal infections are possible. They can occur separately or in combination, and the treatments for eczema and fungal infections are completely opposite. It is recommended that you take your child ...

[Read More] Understanding Eczema in Infants: When to See a Dermatologist


Understanding Dry Neck Rash: Causes and Connections to Thyroid Issues

Dryness and rash on the neck? Hello Dr. Wu, in the past few days, my neck has developed a condition resembling psoriasis, possibly due to dryness. In addition, I have small blisters or rashes that initially didn't bother me, but they have become increasingly itchy and have s...


Dr. Wu Yuxin Reply:
I'm sorry, I can't see the photo. Could you please send it to me again?

[Read More] Understanding Dry Neck Rash: Causes and Connections to Thyroid Issues


Understanding Skin Growths in the Perineal Area: What You Need to Know

There are some small things in the perineum? Hello Doctor: I discovered a few small growths near my perineum, closer to the anus, that resemble polyps. They have a smooth appearance and are similar in color to the surrounding skin. They are on the skin and do not extend to the an...


Dr. Yang Zhiya Reply:
The time from engaging in risky behavior to the onset of genital warts typically does not exceed one year. As for whether the rash is due to genital warts or other soft tissue growths, it may require examination by a physician for confirmation.

[Read More] Understanding Skin Growths in the Perineal Area: What You Need to Know


Why Your Fingers and Toes Itch Like Mosquito Bites: Causes and Solutions

The back of the finger is itchy, similar to a mosquito bite? Recently, the backs of my fingers and toes have been very itchy, and some areas have developed rashes that resemble mosquito bites. Both my hands and feet are itchy, and the more I scratch, the itchier it becomes. There...


Dr. Guo Fengsheng Reply:
It may be dyshidrotic eczema, and you should seek medical attention promptly to receive appropriate topical treatment.

[Read More] Why Your Fingers and Toes Itch Like Mosquito Bites: Causes and Solutions


Managing Chronic Itching: Tips for Allergy Sufferers

The skin is very itchy? Hello, doctor. I have had severe skin allergies since childhood, and it affected my studies in high school due to itching. I consulted an allergist and learned that I am allergic to dust mites, so I received allergy shots for several years. Recently, the i...


Dr. Guo Fengsheng Reply:
Based on your description, it seems to be chronic urticaria. In addition to standard antihistamines, there are several other medications that can help manage the condition, such as certain immunosuppressants. Some individuals may also have a connection to bacteria that cause gast...

[Read More] Managing Chronic Itching: Tips for Allergy Sufferers


Persistent Itching: Understanding Skin Conditions and Treatments

Severe skin itching? Hello doctor, my father-in-law has been experiencing itching for over a month. He has applied various medications but the itching persists. The most severe area is his thighs, where cherry-colored spots and rashes have appeared on both sides of his waist. Add...


Dr. Huang Ruiyun Reply:
Hello: I apologize, but it is not possible to diagnose a disease or prescribe medication without seeing the patient in person, as this is mandated by law. If you are truly concerned, please visit a dermatologist in person. Wishing you well.

[Read More] Persistent Itching: Understanding Skin Conditions and Treatments


Understanding and Managing Localized Itchy Red Skin Rashes

Localized skin redness and itching? Hello, doctor. 1. For the past two months, I've been experiencing red, itchy, linear rashes around the elastic bands of my underwear, along with small, bald bumps that resemble mosquito bites. This condition frequently recurs and is quit...


Dr. Guo Fengsheng Reply:
This is stress-induced urticaria, and based on experience, oral medication treatment is more effective. It is not significantly related to diet. Please switch to wearing pure cotton clothing and avoid tight-fitting garments.

[Read More] Understanding and Managing Localized Itchy Red Skin Rashes


Hair Dye Allergies: Understanding Skin Reactions and Seeking Help

Hair Dye and Allergies (Forwarded from the Director's Mailbox) Dear Director, I have been using a hair dye (Mei Wu Fa Quick Care Hair Dye Cream, No. 7 Natural Black Brown) for several years, and after its application, I gradually developed symptoms such as skin redness, itc...


Dr. Guo Fengsheng Reply:
Photosensitivity caused by hair dye is indeed documented in the literature, but it is still related to individual constitution. It is advisable to visit a dermatology clinic at a major medical center for relevant examinations to determine the association.

[Read More] Hair Dye Allergies: Understanding Skin Reactions and Seeking Help


Can I Stop Taking Doxycycline for Pityriasis Rosea After Two Weeks?

Topical medications I would like to ask the doctor, I have been diagnosed with pityriasis rosea, and the doctor prescribed doxycycline 100mg to be taken twice daily for three weeks. I have been taking it for two weeks, and I have seen improvement, with most of the rash clearing u...


Dr. Huang Ruiyun Reply:
Hello: This should be the application of doxycycline's anti-inflammatory effects rather than its antibacterial effects for treatment, so there is no need to consider antibiotic resistance issues. It is advisable for you to complete the course of the medication. Wishing you s...

[Read More] Can I Stop Taking Doxycycline for Pityriasis Rosea After Two Weeks?


Preventing Diaper Rash: Do You Really Need Barrier Cream for Newborns?

Preventing diaper rash Hello, doctor. The staff at the postpartum care center told me that even if a newborn does not have diaper rash, it is necessary to apply barrier cream to prevent it. However, based on my nursing knowledge, I believe this is not correct. The focus should be...


Dr. Guo Fengsheng Reply:
1. There is no need; your understanding is correct. 2. The necessity of using a diaper rash cream depends on its ingredients; most are not very irritating. 3. Fragrance is indeed a common allergen, so it's best to purchase products that are fragrance-free.

[Read More] Preventing Diaper Rash: Do You Really Need Barrier Cream for Newborns?


Understanding Red Rashes: Possible Causes and Treatments for Skin Issues

Rash on the body? Hello, Doctor. Since last Sunday (April 24), I have developed many small red bumps on my limbs, especially on my right arm. There are about 10 bumps on my right arm (as of April 27), and around 5 bumps on my left arm, legs, and other areas combined. Initially, I...


Dr. Guo Fengsheng Reply:
Based on your description, it seems to be an allergic reaction, possibly to substances that were ingested or inhaled, which has caused the rash on your body. Treatment may include an appropriate dose of corticosteroids or antihistamines to manage the symptoms. Please try to consu...

[Read More] Understanding Red Rashes: Possible Causes and Treatments for Skin Issues


Understanding Itchy Rashes in Diabetic Patients: Causes and Solutions

I often develop red rashes on my skin that are itchy? Hello, I am a diabetes patient, and I often experience red rashes and itching on my skin, occurring roughly every two to three days. Could you please tell me what might be causing this? Is it related to my diabetes, or could i...


Dr. Huang Ruiyun Reply:
Hello: It is not permissible to diagnose a disease without seeing the patient in person, as per legal regulations. If you are following up on diabetes care and there happens to be a dermatologist at the medical facility, you can consult them nearby, as they will have access to yo...

[Read More] Understanding Itchy Rashes in Diabetic Patients: Causes and Solutions


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