Pityriasis rosea - Symptoms & causes - Mayo Clinic
网页2024年7月12日 · Pityriasis rosea is a rash that often begins as an oval spot on the face, chest, abdomen or back. This is called a herald patch and may be up to 4 inches (10 centimeters) across. Then you may get smaller spots that sweep out from the middle of the body in a shape that looks like drooping pine-tree branches.
Pityriasis rosea - DermNet
网页Pityriasis rosea is a self-limiting rash, which resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch", usually found on the chest, abdomen, or back. The herald patch is followed some time later, typically two weeks or so, by the development of smaller scaly oval red patches, resembling a Christmas tree ...
Pityriasis rosea - Diagnosis & treatment - Mayo Clinic
网页2022年10月11日 · Symptoms & causes. Diagnosis & treatment. On this page. Diagnosis. Treatment. Self care. Preparing for your appointment. Diagnosis. In most cases, your health care provider can identify pityriasis rosea by looking at the rash. You might need a scraping or possibly a skin biopsy, which involves taking a small piece of the rash for testing.
Pityriasis rosea: Signs and symptoms - American Academy of …
网页The first sign of pityriasis rosea is often one large patch on the skin, which is followed smaller patches or bumps. If you develop pityriasis rosea, you may experience the following in this order: Feel ill for 1 or 2 days
Pityriasis Rosea: Symptoms, Causes, and Treatment - WebMD
网页2023年10月24日 · Pityriasis rosea, a rash that usually appears on the torso, upper arms, thighs, or neck, may sound worse than it really is. The condition has a name that’s hard to say: pit-ih-RIE-uh-sis ROW-zee...
Pityriasis Rosea: Stages, Photos, Treatments - Verywell Health
网页2023年3月7日 · Pityriasis rosea is an itchy rash that begins with a herald patch. This is a single round or oval-shaped lesion that is 2 to 10 centimeters (cm) in diameter. It looks like ringworm and usually appears on the torso. Within a few days, smaller lesions appear.
Pityriasis Rosea (Christmas Tree Rash): Causes & Treatment
网页2022年6月17日 · Pityriasis rosea (pih-tuh-RY-uh-sis ROH-zee-uh) is a common skin condition that causes patches of your skin to develop raised, scaly rashes. It may appear on any part of your body, but it usually appears on the trunk (torso), arms and legs.
Pityriasis rosea: Diagnosis and treatment - American Academy of …
网页If you have pityriasis rosea, the rash with go away without treatment. Some people see the rash disappear within 6 to 8 weeks, but it can take 5 months or longer for the skin to clear. While you don’t need to treat the rash, some patients ask for …
Pityriasis Rosea - Johns Hopkins Medicine
网页Home Health Conditions and Diseases. Pityriasis Rosea. Rashes and Skin Inflammation. What is pityriasis rosea? Pityriasis rosea is a mild, but common, skin condition. Characterized by scaly, pink, inflamed skin, the condition can last from 1 to 3 months and usually leaves no lasting marks. What causes pityriasis rosea?
Pityriasis rosea - NHS
网页Pityriasis rosea is different to pityriasis versicolor. Check if you have pityriasis rosea. The main symptom of pityriasis rosea is a rash. Some people get flu-like symptoms a few days before the rash appears, including: tiredness; a sore throat; a high temperature; a headache; The rash appears in 2 stages. Stage 1: single, round patch