Insect bites, Dermatology FAQ - Page 3

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Unexplained Skin Reaction: Is It an Insect Bite or Something More?

I don't know what the reason is? I woke up and noticed a rectangular area below my neck, near the collarbone, that looks like a mosquito bite. I'm not sure what bit me, but it has been a week. The wound has a triangular shape, and I can't send a picture, so I can o...


Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to make a definitive diagnosis. If it is causing significant distress, please seek medical attention as soon as possible.

[Read More] Unexplained Skin Reaction: Is It an Insect Bite or Something More?


Understanding Sweat Blisters and Insect Bite-Like Rashes: Treatment Insights

Dyshidrotic eczema / Suspected insect bites on the body? I have been experiencing a lot of sweat blisters on my hands these past two days, which are both itchy and painful. Someone suggested using Betaderm, is this effective? Additionally, on the same day that the sweat blisters ...


Dr. Li Yufen Reply:
Hello: It is not possible to accurately diagnose skin diseases based solely on a textual description. If it is confirmed to be dyshidrotic eczema on the hands, applying Betaderm is effective. Common areas for insect bites are typically the limbs and waist, which are more exposed....

[Read More] Understanding Sweat Blisters and Insect Bite-Like Rashes: Treatment Insights


Effective Remedies for Mosquito Bites and Eczema Relief

Bitten by mosquitoes in the mountains? I have had allergies since childhood, and my elbows are affected by atopic dermatitis. My hands and feet are also very itchy, resembling red bean ice. This has been a long-standing issue. In high school, I often wore shorts and was teased ab...


Dr. Li Yufen Reply:
Hello: It is recommended that after insect bites, you can apply a cold compress or ice pack to relieve itching. If the skin abnormalities persist or worsen, you should consult a dermatologist nearby for diagnosis and treatment. Please avoid scratching, as it may lead to skin brea...

[Read More] Effective Remedies for Mosquito Bites and Eczema Relief


Red Bumps on Thigh: Allergies or Insect Bites?

There are raised bumps on the thigh that resemble mosquito bites? In the morning, I noticed a large raised area on the upper part of my thigh, approximately 3x2 cm in size, with a few smaller scattered spots nearby. The surface appears slightly red, but it is neither painful nor ...


Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it cannot be confirmed. If it is causing significant distress, it is recommended to seek medical attention as soon as possible.

[Read More] Red Bumps on Thigh: Allergies or Insect Bites?


Red Bumps on Thighs: Insect Bites or Something Else?

I have developed something that I don't know what it is? It sounds like you may be experiencing a skin condition that could be related to insect bites or another dermatological issue. The presence of red, painful spots on your thighs and calves, which are bright red at the c...


Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it cannot be confirmed. If it is causing significant distress, it is advisable to seek medical attention as soon as possible.

[Read More] Red Bumps on Thighs: Insect Bites or Something Else?


Unexplained Skin Redness: Possible Causes and Solutions

Bite from an unknown insect? Hello, I would like to ask if there are any reasons that could cause small red spots on the body with a tiny pustule in the center that are almost not itchy. My sister and I have been sleeping on the same bed, and about 1 to 2 months ago, we both star...


Dr. Li Yufen Reply:
Hello: Generally, insect bites can cause mild allergic reactions, leading to itching. If the skin condition persists, it is advisable to consult a dermatologist for a direct examination of the lesions to confirm the diagnosis and treatment. Thank you!

[Read More] Unexplained Skin Redness: Possible Causes and Solutions


Understanding Insect Bites: Swelling, Itching, and Skin Reactions

Insect bites can cause redness, heat, and itching? I have a large swollen area on my leg that I don't know what insect bit me. It feels similar to a mosquito bite, but it has spread quickly and turned into a large patch. It's very itchy, feels warm, and there is a hard ...


Dr. Wu Yuxin Reply:
It may be due to toxicity or a stronger reaction, resulting in an allergic response that is more severe. Applying ice packs can help, and if necessary, it is still advisable to seek medical attention.

[Read More] Understanding Insect Bites: Swelling, Itching, and Skin Reactions


How to Treat Itchy and Painful Insect Bites: A Dermatologist's Guide

Insect bites? A few days ago, I was bitten by an insect that looked like a mosquito. At the time, I thought it was a mosquito, so I killed it without a second thought. However, the area where I was bitten has been extremely itchy and somewhat painful for the past few days. My fam...


Dr. Wu Yuxin Reply:
You can manage it using standard methods for treating insect bites.

[Read More] How to Treat Itchy and Painful Insect Bites: A Dermatologist's Guide


Understanding Skin Bumps on Hands: Possible Causes and Treatments

Protrusion on the hand? 1. There is a bump next to my thumb that looks like a pimple, but it cannot be squeezed. It feels slightly painful when pressed. I accidentally cut it a couple of days ago, and there was a little bleeding, leaving a black spot that resembles a viral wart. ...


Dr. Li Yufen Reply:
Hello: Based on the description, it is not possible to accurately diagnose the skin lesions. The lesion on the thumb may possibly be a viral wart, while the one on the middle finger is most commonly associated with insect bites during the summer. It is recommended that you consul...

[Read More] Understanding Skin Bumps on Hands: Possible Causes and Treatments


Unexplained Red Spots on Skin: Causes and Treatment Options

Unexplained red spots on the body? Hello Doctor: I have been experiencing unexplained red spots on my body for over a month. During this time, I consulted a doctor who suggested it might be insect bites. I was prescribed medication and topical treatments. Some of the red spots ap...


Dr. Wu Yuxin Reply:
Based solely on the red spot in the attached photo, insect bites should be the primary consideration. Each individual's reaction to insect bites and the time required for resolution can vary significantly. Other conditions would need to be assessed through direct examination...

[Read More] Unexplained Red Spots on Skin: Causes and Treatment Options


How Long Will Red Bumps from Bug Bites Take to Heal?

Insect bites I have around 30 to 40 red welts on my legs from insect bites. After enduring it for a while, I quickly went to see a dermatologist. The doctor prescribed a topical ointment and a three-day supply of oral antihistamines. The welts on my legs have subsided, but the bi...


Dr. Wu Yuxin Reply:
Typically, one week later, the skin will gradually enter the pigmentation phase, and pigmentation may persist for several weeks or even months. If you wish to accelerate the fading process, you can ask your physician to prescribe a whitening cream.

[Read More] How Long Will Red Bumps from Bug Bites Take to Heal?


Understanding Crab Lice: Symptoms, Treatment, and Relief Options

Keloid issues? Hello, pharmacist: My relative experiences increasing redness and swelling after being bitten by mosquitoes, and he scratches the area, which affects his daily activities due to pain and itching. I would like to know if this is keloid formation? I found online that...


Dr. Li Yufen Reply:
Hello: Based on your description, unless you have a predisposition to keloid formation (hypertrophic scarring), it is also possible that this is an allergic reaction to insect bites or a combined bacterial infection (due to scratching the itchy area). It is advisable to consult a...

[Read More] Understanding Crab Lice: Symptoms, Treatment, and Relief Options


Understanding Skin Reactions: My Mother's Experience with Insect Bites

About my mother? Hello, I would like to ask about my mother. She works in tea picking and last week, she mentioned that she was bitten by a small yellow insect. After the bite, her entire body became red and swollen. She went to a nearby pharmacy and received an injection, but th...


Dr. Guo Fengsheng Reply:
Certain insect bites can cause severe allergic reactions, potentially leading to shock. It is recommended to seek medical attention and continue treatment until the allergy has completely resolved.

[Read More] Understanding Skin Reactions: My Mother's Experience with Insect Bites


Understanding Hand Swelling: Causes and Solutions for Your Symptoms

I often experience swelling in both of my palms? I often experience swelling in both of my palms, and sometimes it feels like they are about to burst! However, there are no signs of insect bites. What could be the reason for this?


Dr. Guo Fengsheng Reply:
It could be dyshidrotic eczema; I have heard patients describe similar situations.

[Read More] Understanding Hand Swelling: Causes and Solutions for Your Symptoms


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 Skin: Causes and When to Seek Medical Help

The skin may itch? I went hiking on Sunday and encountered rain. I took shelter outside a restroom, and since I was wearing shorts, my legs got wet from the rain, causing them to itch. The next day, I noticed small red spots, and they especially itch in the evening. Could this be...


Dr. Guo Fengsheng Reply:
It is likely not caused by rainwater, but rather by outdoor insect bites. If the itching persists, please visit a nearby dermatologist.

[Read More] Understanding Itchy Skin: Causes and When to Seek Medical Help


Persistent Itchy Red Bumps on Neck: Causes and Treatment Options

Itchy neck? Hello Dr. Jiang: I have small red spots on my neck that become increasingly itchy when scratched. After applying a topical ointment from the clinic for 3 to 4 days, the condition recurs. This has been repeating for 2 to 3 years. I'm not sure what to do. What skin...


Dr. Jiang Zheen Reply:
1. Seek consultation with a dermatologist. 2. Spend time discussing with the physician to establish possible causes of the condition (including allergies, infections, insect bites, etc.). 3. Address the identified causes accordingly.

[Read More] Persistent Itchy Red Bumps on Neck: Causes and Treatment Options


Understanding Unilateral Facial Rashes: Causes and Concerns

Facial rash, present only on the right side of the face? Hello Doctor: In the past month, I have developed 5-7 red spots on the right side of my face, specifically near the right side of my mouth. These spots are about the size of a typical mole, but they are neither itchy nor pa...


Dr. Lin Mingxiu Reply:
Hello: 1. There are many possible causes for facial rashes, including acne, folliculitis, eczema, insect bites, and rosacea. Based on your description, the bump on your right hand is most likely an insect bite or eczema. A definitive diagnosis should be confirmed by a dermatolo...

[Read More] Understanding Unilateral Facial Rashes: Causes and Concerns


Understanding Sudden Skin Allergies: Causes and Solutions

Skin allergy conditions..? Dear Dr. Chang, I would like to ask about some recent symptoms my husband has been experiencing. Over the past few days, he has developed some red, swollen rashes on his body, particularly on his shoulders and back, which resemble mosquito bites. They ...


Dr. Zhang Zhibo Reply:
Hello: If these rashes appear and then disappear within a few hours, this is urticaria (hives). Most commonly, the cause is food, but some cases are triggered by environmental allergens. Individuals with allergic tendencies may also experience a more significant allergic reaction...

[Read More] Understanding Sudden Skin Allergies: Causes and Solutions


Should You See a Doctor for a Mysterious Rash on Your Elbow?

Do I need to see a doctor? There is a red and swollen area on the inner side of my elbow, the cause of which is unknown (I'm not sure if it was caused by an insect bite). It has a crescent shape and resembles a scar, similar to the mark left after a cut has healed. It is whi...


Dr. Zhang Zhibo Reply:
Hello: The symptoms you described are difficult to assess without seeing a photo for better communication. If it is a residual effect from insect bites, it could be papular urticaria or possibly a dermatofibroma that develops over time. In any case, it would be easier to make a d...

[Read More] Should You See a Doctor for a Mysterious Rash on Your Elbow?


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