Pityriasis Rosea
Pityriasis Rosea
Pityriasis Rosea (pronounced: pit-uh-rye-uh-sis roh-zee-uh) is a common skin condition that primarily affects individuals between the ages of 10 and 35.
Etymology
The term "Pityriasis" is derived from the Greek word "pityron", which means "bran", referring to the characteristic flaky skin rash. "Rosea" is Latin for "rose-colored", describing the pinkish hue of the rash.
Symptoms
Pityriasis Rosea typically begins with a single, large pink patch on the chest or back, known as a Herald patch. This is followed by a pattern of smaller patches, often in a 'Christmas tree' pattern. Other symptoms may include mild itching and, in rare cases, flu-like symptoms.
Causes
The exact cause of Pityriasis Rosea is unknown, but it is believed to be triggered by a viral infection, particularly the human herpesvirus 7 (HHV-7) and human herpesvirus 6 (HHV-6).
Diagnosis
Diagnosis of Pityriasis Rosea is typically based on the characteristic appearance of the rash. In some cases, a skin biopsy may be performed to rule out other conditions.
Treatment
Treatment for Pityriasis Rosea primarily involves managing symptoms, as the condition usually resolves on its own within six to eight weeks. Over-the-counter creams and ointments can help to alleviate itching, and in severe cases, prescription medications may be used.
Related Terms
- Dermatology: The branch of medicine dealing with the skin and its diseases.
- Rash: A change in the skin that affects its color, appearance, or texture.
- Viral infection: The invasion of the body by viruses, which use the body's cells to reproduce.
External links
- Medical encyclopedia article on Pityriasis Rosea
- Wikipedia's article - Pityriasis Rosea
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