What does pityriasis rosea look like

Some researchers have theorized that autoimmune factors may play a role in the development of pityriasis rosea. Autoimmunity is when the body's immune system mistakenly attacks healthy tissue for unknown reasons.

Is Pityriasis Rosea a fungal infection? No one knows what causes pityriasis rosea. One theory suggests that a viral infection , such as herpes viruses 6 and 7 causes the rash. Does stress cause pityriasis rosea? It maybe that a rash is the result of a factor other than stress , such as: Heat rash: Exposure to a hot and humid climate can cause heat rashes to develop.

Pityriasis rosea : This is a common skin condition typified by a large rash often surrounded by smaller bumps or rashes. Does Sun help pityriasis rosea? Sunlight exposure. Is Pityriasis rosea serious? In most cases, pityriasis rosea is harmless and doesn't return after it goes away. If your case lasts longer than 3 months, check in with your doctor. You may have another condition or be reacting to a medication. What is pityriasis rosea pictures? Picture of Pityriasis Rosea 1.

Is Pityriasis Rosea a syphilis? The commonly observed diseases that may be confused with secondary syphilis are pityriasis rosea especially if the herald patch is absent , guttate psoriasis psoriasis that appears suddenly with numerous small papules and plaques , lichen planus, tinea versicolor, and exanthematous drug and viral eruptions. How do you test for pityriasis rosea? In most cases, your doctor can identify pityriasis rosea simply by looking at the rash.

He or she may take a small scraping of the rash for testing , as this condition can sometimes be confused with ringworm tinea corporis. Pityriasis pit-ih-RIE-uh-sis rosea can affect any age group. It most commonly occurs between the ages of 10 and It usually goes away on its own within 10 weeks. Pityriasis rosea can cause itching.

Treatment may help relieve the symptoms. Pityriasis rosea typically begins with a large, slightly raised, scaly patch — called the herald patch — on your back, chest or abdomen.

Before the herald patch appears, some people experience headache, fatigue, fever or sore throat. A few days to a few weeks after the herald patch appears, you may notice smaller scaly spots across your back, chest or abdomen that resemble a pine-tree pattern.

The rash can cause itching, which is occasionally severe. The exact cause of pityriasis rosea is unclear. Some evidence indicates the rash may be triggered by a viral infection, 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 believed to be contagious. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. This content does not have an English version.

This content does not have an Arabic version. It may occur due to an injury or pressure on…. Although heat rash and eczema have some similarities in their appearance, they're not the same. See photos of heat rash and eczema and learn more…. Health Conditions Discover Plan Connect. Pityriasis Rosea Christmas Tree Rash.

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