Purpura, Dermatology FAQ

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Understanding Purpura: Symptoms, Causes, and Concerns

I seem to have purpura? I would like to ask the doctor if I might have purpura. I looked up pictures online, and they look very similar to what I have. However, I don't have joint pain, stomach pain, or blood in my urine; everything seems normal. I did have gastroesophageal ...


Dr. Wu Yuxin Reply:
Purpura can be associated with renal symptoms, so it is advisable to seek medical attention as soon as possible.

[Read More] Understanding Purpura: Symptoms, Causes, and Concerns


Long-Term Use of Aloe Vera Gel for Itchy Skin: Safety Concerns

Aloe vera gel The elderly patient experiences itching on the chest, back, and scalp, having consulted multiple doctors (including rheumatology, immunology, hematology, and oncology). They have used various topical medications (such as Atopiclair, Protopic, Pruvit, Cetaphil AD, an...


Dr. Wu Yuxin Reply:
I'm not familiar with this product, so I apologize for not being able to provide you with much usage advice.

[Read More] Long-Term Use of Aloe Vera Gel for Itchy Skin: Safety Concerns


Understanding Allergic Reactions and Blood Vessel Ruptures: Causes and Solutions

Allergic symptoms This summer, I suddenly developed an allergic reaction in the bends of both arms. I visited a clinic and was prescribed a topical ointment that was too potent, which caused a large area of my skin to break down. After switching to a milder ointment, the allergy ...


Dr. Wu Yuxin Reply:
It is difficult to determine the cause from a literal description; a visit to a dermatologist for an examination is necessary for proper assessment.

[Read More] Understanding Allergic Reactions and Blood Vessel Ruptures: Causes and Solutions


Understanding Bruising on the Forearm: Causes and When to Seek Help

Bruising on the forearm? The patient's left forearm, from the elbow to the wrist, has developed extensive bruising on the dorsal side over the past two days, while the right forearm shows bruising only at the web space between the thumb and index finger. What could be the po...


Dr. Wu Yuxin Reply:
Most cases are senile purpura; it is recommended to consult a dermatologist.

[Read More] Understanding Bruising on the Forearm: Causes and When to Seek Help


Can Children with Cholinergic Urticaria Safely Receive the AZ COVID Vaccine?

Can individuals with cholinergic urticaria receive the AZ COVID-19 vaccine? Hello Dr. Li, my child had Henoch-Schönlein purpura in the first grade of elementary school and has not had a recurrence since then, now at 20 years old. However, after the second year of middle school, t...


Dr. Li Yufen Reply:
Hello: Current research indicates that allergic reactions to COVID-19 vaccines are primarily due to hypersensitivity to specific adjuvants in the vaccine, which is different from the causes of cholinergic urticaria. After vaccination, individuals should be monitored for 15 to 30 ...

[Read More] Can Children with Cholinergic Urticaria Safely Receive the AZ COVID Vaccine?


Understanding Syphilis Skin Rash: Healing Time and Follow-Up Care

I would like to inquire about the skin rash associated with syphilis? Hello, around June, I developed red rashes on the sides of my forearms and thighs (the doctor said it was very mild), and I also experienced purpura and itching on my scrotum. In July, I was diagnosed with syph...


Dr. Wu Yuxin Reply:
You should consult your attending physician about this issue, as they are the most familiar with your condition.

[Read More] Understanding Syphilis Skin Rash: Healing Time and Follow-Up Care


Unexplained Red Spots on Skin: Causes and Insights

Unexplained red spots? Red spots have appeared on the skin for no apparent reason (one on the hand and one on the face). They are not painful, itchy, or raised (they are flat red spots under the skin). It is likely not purpura or cherry angioma. What could it be?


Dr. Wu Yuxin Reply:
Based on the literal description, it is not possible to confirm the condition without actually seeing the lesion. It is recommended to have a physician evaluate it for accurate diagnosis.

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


Understanding Painless Bruises: Causes and When to Seek Help

Regarding the appearance of bruises on the skin..? Hello, doctor: I would like to ask a question. Today I noticed a bruise on my leg, but I don't recall hitting it, and this bruise doesn't hurt. I'm a bit worried it might be purpura or leukemia. However, I am a kid...


Dr. Li Yufen Reply:
Hello: Since you have a history of transplantation, if you are very concerned, it is advisable to schedule an earlier follow-up appointment to check your coagulation function. Bruising is due to subcutaneous bleeding and may not always be painful. Thank you!

[Read More] Understanding Painless Bruises: Causes and When to Seek Help


Understanding Purpura: Causes, Symptoms, and Treatment Options

What is purpura? What is purpura? Purpura refers to the bleeding symptoms in the skin or mucous membranes caused by the leakage of red blood cells from microvessels. The purpura can be very small, resembling pinpoint spots known as petechiae, or larger areas referred to as ecchym...


Dr. Wu Yuxin Reply:
Your explanation has been very detailed, and I don't think I need to add anything further.

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


Understanding Purpura: Symptoms, Diagnosis, and Treatment Options

Purpura..? Hello doctor, I have been experiencing intermittent abdominal pain for over a year. Initially, the pain was only in the lower right abdomen, but it later spread to the lower left abdomen and eventually involved both upper quadrants. I also started to feel a bloating an...


Dr. Wu Yuxin Reply:
You can ask a rheumatologist to assess whether there are any autoimmune diseases present.

[Read More] Understanding Purpura: Symptoms, Diagnosis, and Treatment Options


Understanding Tiny Red Dots on Skin: Causes and Treatments

Tiny red spots Small red dots, less than 0.1 cm in size, appearing on the palm of the arm, are often referred to as petechiae or purpura. If they are not painful or itchy and have been present for a while, they could be benign and related to various factors such as minor trauma, ...


Dr. Wu Yuxin Reply:
If you are very concerned about what the issue might be, it is advisable to seek medical attention as soon as possible, as it is difficult to provide an accurate response without seeing the actual situation.

[Read More] Understanding Tiny Red Dots on Skin: Causes and Treatments


Understanding Painful Bumps on the Buttocks: Causes and Solutions

Blisters-like lesions on the buttocks? This has been a problem that has troubled me for several years. It started with small lumps appearing on my buttocks, and initially, I asked my mother, who thought it was acne. However, it has now become increasingly severe. Currently, my bu...


Dr. Yang Zhiya Reply:
Based on your symptoms, it could be folliculitis, herpes, a sebaceous cyst, or various types of blistering or inflammatory conditions. Therefore, it is recommended that you visit a dermatology clinic, where a physician can personally examine the lesions for a more accurate diagno...

[Read More] Understanding Painful Bumps on the Buttocks: Causes and Solutions


Understanding Abdominal Pain Associated with Purpura: What You Need to Know

Abdominal pain caused by purpura? Hello, doctor: I was recently diagnosed with allergic purpura at Kaohsiung Medical University Hospital and was discharged a few days ago. Most of the purpura has resolved, and I was sent home with some medications, including a 5 mg oral corticost...


Dr. Cai Changlin Reply:
Hello: Allergic purpura is more common in children, but it can also occur in adults. Once suspected lesions appear, a skin biopsy and blood tests (including some basic blood cell counts and certain autoimmune tests) should be performed to gather more information and assess the po...

[Read More] Understanding Abdominal Pain Associated with Purpura: What You Need to Know


Understanding Unexplained Bruises: Is It Purpura?

I don't know if it's purpura? Doctor, I apologize for bothering you, but I have a question. This year, I have frequently noticed unexplained bruises on my body, and I often don't know how they appeared. In February, I developed an unexplained bruise above my left k...


Dr. Huang Ruiyun Reply:
Hello: I apologize, but online platforms cannot provide diagnoses, let alone conduct examinations. This website is intended for further consultation after a known diagnosis. Relying on the internet before a diagnosis is made will only lead to more confusion. Please see a doctor i...

[Read More] Understanding Unexplained Bruises: Is It Purpura?


Understanding Vasculitis: Treatment Options and Prognosis

Please ask your questions related to vasculitis? Hello, could you please tell me about the current treatment methods for vasculitis? Is there a possibility of cure or symptom relief? If symptoms improve, can medications be stopped or dosages reduced? Additionally, is there a poss...


Dr. Zhang Zhibo Reply:
Dear Liu: Vasculitis is a disease characterized by inflammatory responses and necrosis affecting blood vessels, which can involve one or multiple organs and vessels. Symptoms may include unexplained fever, weight loss, and persistent loss of appetite, which are nonspecific compla...

[Read More] Understanding Vasculitis: Treatment Options and Prognosis


Understanding and Treating Persistent Purple Spots on Your Legs

How can I improve the appearance of bruises on my legs? I remember when I was 15 years old, I noticed a large area of petechiae on the dorsum of my foot. Now that I am 30, it has become increasingly severe, extending to my calves, and sometimes clusters of petechiae appear on the...


Dr. Jiang Yujiao Reply:
Hello: In response to your question, after walking for less than ten minutes, the dorsum of my foot is almost entirely covered, and it doesn't typically present with petechiae so quickly; rather, it resembles a phenomenon of vasodilation. Vasodilation is specific to individu...

[Read More] Understanding and Treating Persistent Purple Spots on Your Legs


Understanding Skin Issues: What Causes Bruise-Like Spots on Hands and Feet?

Skin issues? Hello Doctor: I often develop spots on the skin of my hands and feet that resemble bruises and disappear after a while. What could this condition be?


Dr. Chen Yiying Reply:
Hello: In response to your question, the spots of bruising are generally referred to as purpura. Since it is unclear whether they are flat or raised, and whether there are accompanying symptoms such as other bleeding, a further diagnosis cannot be made. Conditions such as coagulo...

[Read More] Understanding Skin Issues: What Causes Bruise-Like Spots on Hands and Feet?


Understanding Skin Bruises and Persistent Cough: Possible Causes

Symptom inquiry Hello, My father enjoys drinking alcohol and smoking, and recently he has been coughing persistently. He also has developed skin lesions that resemble bruises (even with minor bumps or scrapes), with sizes varying from that of an egg appearing on his arms, and s...


Dr. Zheng Lizhen Reply:
Based on your description, your father's issue may be purpura. There are many causes of purpura: elderly individuals have more fragile blood vessels, and even minor bumps or scratches can lead to the rupture of microvessels, resulting in purpura. Additionally, long-term use ...

[Read More] Understanding Skin Bruises and Persistent Cough: Possible Causes


Understanding Purpura: Symptoms, Treatment, and Potential Complications

Purpura Hello: I would like to inquire about what purpura is. What are the symptoms of purpura? Which specialty should I consult for diagnosis? Are there any potential complications?


Dr. Liao Wenyu Reply:
Hello: Purpura is a condition characterized by subcutaneous bleeding that causes the appearance of purple spots on the skin. If you notice purpura, you should consult a dermatologist to determine the underlying cause, which will help assess whether there may be any long-term effe...

[Read More] Understanding Purpura: Symptoms, Treatment, and Potential Complications


Understanding Vasculitis: Symptoms, Causes, and Prevention Tips

Vasculitis 1. Why do I have purple spots on my limbs when I am cold, which disappear when I warm up? Is there something wrong with me? 2. Is vasculitis a problem with the body's immune system? How can I prevent recurrent inflammation and ulceration? 3. How can I obtain m...


Dr. Jin Lianchun Reply:
Dr. Jin Lian-Chun from Pingtung Hospital's Dermatology Department responds: Based on your description, the possible symptom is purpura, which can occur due to several reasons: (1) coagulation disorders, (2) platelet disorders, and (3) vasculitis. Vasculitis itself has many u...

[Read More] Understanding Vasculitis: Symptoms, Causes, and Prevention Tips