Pityriasis rosea, Dermatology FAQ

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Understanding Pityriasis Rosea: Healing Without Medication and Care Tips

Pityriasis rosea Symptoms were first noticed on March 6, and a few days later, a doctor diagnosed it as pityriasis rosea. Currently, no medications or topical treatments are being used, and new small red rashes appear daily, accompanied by itching. Is it true that pityriasis rose...


Dr. Wu Yuxin Reply:
Your understanding is very accurate; there are no specific dietary restrictions needed. The entire process typically takes about six to eight weeks, but it may also take longer.

[Read More] Understanding Pityriasis Rosea: Healing Without Medication and Care Tips


Can You Receive the HPV Vaccine with Pityriasis Rosea?

Can individuals with pityriasis rosea receive the HPV vaccine? Dear Doctor: I have received the first dose of the HPV vaccine (9-valent), and I am due for the second dose in two months. However, I developed pityriasis rosea during the interval. Can I still receive the second dose...


Dr. Wu Yuxin Reply:
Sure.

[Read More] Can You Receive the HPV Vaccine with Pityriasis Rosea?


How to Fade Post-Rash Pigmentation: Tips for Faster Recovery

Regarding the pigmentation that remains after a rash? Hello Doctor, I am currently not in the country, so I would like to inquire here. In mid-February, I noticed an oval-shaped red rash near my armpits on both sides of my chest, which was slightly itchy. It gradually spread to b...


Dr. Wu Yuxin Reply:
Rhododendron acid is permissible, but it requires a physician's prescription.

[Read More] How to Fade Post-Rash Pigmentation: Tips for Faster Recovery


Understanding Post-Vaccine Rash: Causes and Concerns After BNT Shot

Developing a rash after receiving a vaccine? Two weeks after receiving the BNT vaccine, I started developing rashes all over my body. I have already visited an allergist and rheumatologist, and there are no autoimmune system issues; the only finding was a slightly elevated allerg...


Dr. Li Yufen Reply:
Hello: Based solely on the textual description, it is not possible to accurately determine the actual condition of the lesion. "The rash has subsided, leaving small deep red spots that resemble petechiae." This could potentially be post-inflammatory hyperpigmentation or...

[Read More] Understanding Post-Vaccine Rash: Causes and Concerns After BNT Shot


Persistent Skin Rashes: Understanding Chronic Urticaria and Pityriasis Rosea

Red rashes on the arms that have persisted for 2 years, with periods of improvement and worsening? During my sophomore year in college, I often stayed up late due to assignment demands, which led to the occasional appearance of red rashes on my body. These rashes were neither itc...


Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine the issue. If it is very concerning, please seek medical attention as soon as possible. Only after an examination can the problem be identified and addressed.

[Read More] Persistent Skin Rashes: Understanding Chronic Urticaria and Pityriasis Rosea


Is It Pityriasis Rosea or Syphilis? Understanding Skin Conditions

Pityriasis rosea or syphilis? I have type 1 diabetes and around the end of September this year, I noticed an oval-shaped red patch on the left side of my buttock that appeared somewhat dry. Initially, I didn't think much of it, but then similar patches appeared on the right ...


Dr. Wu Yuxin Reply:
Without direct observation, it is uncertain. Syphilis can be confirmed through a blood test.

[Read More] Is It Pityriasis Rosea or Syphilis? Understanding Skin Conditions


Understanding Persistent Redness in Pityriasis Rosea: Causes and Treatments

The erythema associated with pityriasis rosea does not resolve? Hello, Doctor: I previously visited a dermatologist who diagnosed me with pityriasis rosea. The conclusion I received was the same as what I found online, with the cause being unknown and no specific allergens being ...


Dr. Wu Yuxin Reply:
You should consult your attending physician about this issue, as they are most familiar with your condition and can help you choose the appropriate medication. I cannot make a judgment without having seen you in person.

[Read More] Understanding Persistent Redness in Pityriasis Rosea: Causes and Treatments


Understanding Itchy Red Rashes: Causes and When to Seek Help

Body rashes can be itchy? Hello, doctor! I have been experiencing itchy rashes on my body for some time now. The symptoms include red rashes that become white and scaly after a while, affecting both my limbs and body, but they are not very dense and can only be noticed upon close...


Dr. Wu Yuxin Reply:
Without actually seeing the lesion, it is impossible to determine the issue. If it is very concerning, please seek medical attention as soon as possible. Only after an examination can the problem be identified and addressed.

[Read More] Understanding Itchy Red Rashes: Causes and When to Seek Help


Understanding Symptoms of Pityriasis Rosea: Fever and Dizziness Explained

Symptoms associated with pityriasis rosea? I have roseola for about 4 weeks now, but after intense exercise, I feel a low-grade fever, dizziness, and a slight headache the next day. This has happened twice. Is this a normal phenomenon? Thank you.


Dr. Li Yufen Reply:
Hello: For an introduction to pityriasis rosea, you can refer to the article on the Dermatology Expert Health Network at http://www.drskincare.com.tw/Qa/Detail.aspx?ID=120. A small number of individuals may experience symptoms similar to a cold. If the symptoms do not improve or ...

[Read More] Understanding Symptoms of Pityriasis Rosea: Fever and Dizziness Explained


Is It Tinea Cruris or Pityriasis Rosea? Understanding Skin Rash Symptoms

Is this tinea cruris or pityriasis rosea? Hello Doctor: Last Friday, I felt a bit itchy at the root of my left thigh's inner side and noticed a few red bumps that were slightly raised and had some scaling (attached image: http://imgur.com/KTgwItW). When I visited a Tradition...


Dr. Li Yufen Reply:
Hello: From the photos, it does not appear to be typical tinea cruris. I recommend that you return for a follow-up appointment with a dermatologist to confirm the diagnosis and treatment. Thank you!

[Read More] Is It Tinea Cruris or Pityriasis Rosea? Understanding Skin Rash Symptoms


Understanding Small Red Spots on Skin: Causes and Concerns

There are red spots on the skin? I have recently noticed small red spots on my skin, some appearing as if there is superficial bleeding and others resembling bruises. They are all very small, with a maximum size of 2mm, and they disappear on their own. After some time, new ones a...


Dr. Wu Yuxin Reply:
If it is pityriasis lichenoides, it can indeed be recurrent, with symptoms and lesions continuing to appear intermittently. It is recommended to continue treatment.

[Read More] Understanding Small Red Spots on Skin: Causes and Concerns


Understanding Eczema and Allergies: Distinguishing Between Conditions

Eczema and Allergies I have a history of eczema and allergies, but recently I've developed some red spots on my wrists and body that are not itchy, while the rest of my skin appears normal. I visited two dermatologists; the first one suspected it might be pityriasis rosea, w...


Dr. Wu Yuxin Reply:
A literal description cannot determine scabies; a visual diagnosis is necessary. It is recommended that you seek a third dermatology consultation.

[Read More] Understanding Eczema and Allergies: Distinguishing Between Conditions


Understanding Prolonged Pityriasis Rosea: Symptoms, Diagnosis, and Treatment

Pityriasis rosea has lasted for 3 months? In December 2012, symmetrical red rashes appeared, and a visit to the clinic resulted in a diagnosis of Pityriasis Rosea. After a month of treatment (antihistamines and topical ointments), new rashes continued to emerge. The physician rec...


Dr. Wu Yuxin Reply:
Based on your description, it is indeed likely to be pityriasis rosea. Most sources indicate a duration of 6 to 8 weeks, but there are cases that persist for more than six months. Chronic pityriasis lichenoides (pityriasis lichenoides chronica) should also be considered, as it ma...

[Read More] Understanding Prolonged Pityriasis Rosea: Symptoms, Diagnosis, and Treatment


Managing Pityriasis Rosea During Pregnancy: Safety Concerns and Treatments

Pregnant and experiencing issues related to roseola..? Hello, doctor. I am currently three months pregnant. In mid-June, I discovered many red patches on my body, and by the end of July, the itching became unbearable, so I consulted a dermatologist and was diagnosed with pityrias...


Dr. Li Yufen Reply:
Hello: Generally, roseola is a self-limiting skin condition. If there is no significant discomfort, there is no need to apply medication. If there are concerns about using steroid creams due to pregnancy, non-steroidal anti-itch creams or over-the-counter lotions specifically des...

[Read More] Managing Pityriasis Rosea During Pregnancy: Safety Concerns and Treatments


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?


Is Hair Dye Safe for Those with Pityriasis Rosea?

Can individuals with pityriasis rosea dye their hair? Hello Dr. Huang, I would like to ask you about something. I have never had pityriasis rosea before, but this year I started experiencing it, and it has been recurring for almost 10 months. Sometimes I even have 1-2 spots on my...


Dr. Huang Ruiyun Reply:
Hello: The main concern with hair dyeing is whether it can trigger allergies (contact dermatitis). It is recommended that you first mix a few drops of the hair dye (which should consist of two components) to create a test solution, and apply it to clean skin. Try not to wash or r...

[Read More] Is Hair Dye Safe for Those with Pityriasis Rosea?


Understanding Itchy Skin: Causes and Solutions from Dermatology Experts

My skin is itchy (forwarded from the Director's mailbox)? I'm not sure why. Is it due to medication or something else? Can you assist me?


Dr. Zhang Zhibo Reply:
Hello Ms. Chen: Skin itching is one of the most common reasons for seeking medical attention. If it is caused by medication, it could be "urticaria" or "erythema multiforme," as well as "drug-induced exanthema" and "Stevens-Johnson syndrome,&quo...

[Read More] Understanding Itchy Skin: Causes and Solutions from Dermatology Experts


Understanding Skin Rashes: Causes, Symptoms, and Treatments

Skin rash Since the evening of June 14th, I developed several spots on my abdomen that resemble a red rash, but are somewhat oval-shaped. Over the following two weeks, I have continued to develop smaller spots on my body, arms, and legs, which look like small pimples. After being...


Dr. Huang Ruiyun Reply:
Hello: I'm sorry, but it's not possible to make a diagnosis online. If the symptoms persist and are causing you distress, please visit a dermatologist in person. Wishing you the best.

[Read More] Understanding Skin Rashes: Causes, Symptoms, and Treatments


Unexplained Itching: Understanding Skin Reactions and Allergies

Unexplained persistent itching of the skin? Hello, a few months ago, I suddenly experienced itching all over my body without any apparent reason, which made me want to scratch. As a result, the scratched areas became swollen, resembling the effect of being crawled on by caterpill...


Dr. Hong Zhengsheng Reply:
Hello Ginny: Based on your description, it is possible that you may be experiencing "pityriasis rosea." However, the most significant characteristic of skin diseases is that they are best assessed through visual observation and tactile examination. It is indeed challeng...

[Read More] Unexplained Itching: Understanding Skin Reactions and Allergies


Understanding Pityriasis Rosea: Expert Advice for Skin Concerns

Please consult Dr. Jiang regarding rosacea? Hello, Dr. Jiang. The doctor diagnosed me with pityriasis rosea. I am currently in the seventh week. It was getting better, but last week it became more severe, particularly on my forearms and arms. Now that the weather is getting warme...


Dr. Jiang Zheen Reply:
Hello Principal Tang: Pityriasis rosea is sometimes described as a "cold" of the skin, and its exact cause remains unclear. Most reports currently suggest that it is an allergic reaction, while some believe it to be a viral skin condition. Overall, it is considered a se...

[Read More] Understanding Pityriasis Rosea: Expert Advice for Skin Concerns


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