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   What is pityriasis rosea?

   • 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” means “scaly,” and “rosea” means “pink,” but the rashes may look red, gray, brown or purple.

   Pityriasis Rosea (Christmas Tree Rash): Causes & Treatment

   my.clevelandclinic.org/health/diseases/17729-pityriasis-rosea

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   How do you know if you have pityriasis rosea?

   • The symptoms of pityriasis rosea usually develop in stages: You may initially develop a fever, headache or upper respiratory infection. You may develop a raised, discolored, circular or oval-shaped patch that ranges from 1 to 6 centimeters (cm). This patch is the “herald” or “mother” patch.

   Pityriasis Rosea (Christmas Tree Rash): Causes & Treatment

   my.clevelandclinic.org/health/diseases/17729-pityriasis-rosea

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   Is pityriasis rosea contagious?

   • The exact cause of pityriasis rosea is unclear. It might be triggered by an infection with a virus, particularly by certain strains of the herpes virus. But it's not related to the herpes virus that causes cold sores. Pityriasis rosea isn't contagious. Complications of pityriasis rosea aren't likely.

   Pityriasis rosea - Symptoms & causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/pityriasis-rosea/symptoms-causes/syc-20376405

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   How long does pityriasis rosea last?

   • Skin discolouration may persist for a few months in darker-skinned people but eventually the skin returns to its normal appearance. Recurrence of pityriasis rosea outside the acute phase is rare (1–3%), perhaps adding weight to the suggestion that there is long-lasting immunity after a proposed infection.

   Pityriasis rosea - DermNet

   dermnetnz.org/topics/pityriasis-rosea

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2. www.mayoclinic.org › diseases-conditionsPityriasis rosea - Symptoms & causes - Mayo Clinic

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   Oct 11, 2022 · Pityriasis rosea is a rash that often begins with a large, scaly spot on the face, chest or back. It may be caused by a virus and usually goes away on its own within 10 weeks. Learn more about the symptoms, diagnosis and treatment options from Mayo Clinic.

3. dermnetnz.org › topics › pityriasis-roseaPityriasis rosea - DermNet

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   Pityriasis rosea is a self-limiting rash that starts with a large herald patch and then spreads to smaller scaly patches on the chest and back. Learn about the possible causes, clinical features, complications, and how to diagnose this condition from DermNet NZ, a trusted source of dermatology information.

4. my.clevelandclinic.org › health › diseasesPityriasis Rosea (Christmas Tree Rash): Causes & Treatment

   my.clevelandclinic.org › health › diseases

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   Jun 17, 2022 · Pityriasis rosea is a skin condition that causes scaly, discolored patches on your trunk, arms or legs. Learn about the possible causes, diagnosis, treatment and prevention of this common rash.

5. www.webmd.com › whats-pityriasis-roseaPityriasis Rosea Rash: Symptoms, Causes, & Treatment - WebMD

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   Pityriasis rosea is a harmless, common skin problem that causes a rash, often on the torso, upper arms, thighs, or neck. Learn about its symptoms, possible causes, diagnosis, treatment, and home remedies.

6. www.mayoclinic.org › diseases-conditionsPityriasis rosea - Diagnosis & treatment - Mayo Clinic

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   Oct 11, 2022 · Pityriasis rosea is a rash that usually goes away on its own in 4 to 10 weeks. Learn how to identify it, when to see a doctor, and what treatments and home remedies are available.

7. www.aafp.org › pubs › afpPityriasis Rosea: Diagnosis and Treatment | AAFP

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   Jan 1, 2018 · Learn about pityriasis rosea, a common self-limiting rash that usually starts with a herald patch on the trunk and progresses along the Langer lines. Find out the possible causes, symptoms, differential diagnosis, and treatment options for this condition.

8. www.aad.org › public › diseasesPityriasis rosea: Diagnosis and treatment

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   Pityriasis rosea causes a rash that will clear on its own, so it’s usually nothing to worry about. Still, it’s important to get diagnosed. It’s possible that the rash could be something other than pityriasis rosea. Also, if you’re pregnant, you may need close follow up.