Pityriasis rosea ( PR) is a scaly and reddish-pink skin rash. Single scaly red spot can form on your back or stomach. This is known as “herald patch.” Smaller spots will form on your body days to weeks later. It is most common in children and young adults. PR have numerous of clinical variations.
Its diagnosis is must as it may resemble secondary syphilis. Pityriasis rosea may affect people of either sex of any age. Though, it is most common in females and between the ages of 8 to 35. Symptoms only reappear in 3% of the affected. PR has been associated to upper respiratory infections, it can group within families and close contacts, and it has an increased happening in individuals who are immunocompromised.
Pityriasis rosea generally goes away on its own within six to eight weeks. In the meantime, you can take steps to relieve the discomfort. Viral exanthems, the incidence can increase in the fall and the spring. A single epideminc tends to elicit lifelong immunity.
Pityriasis rosea is a self-limited benign illness. PR is rare in babies and in elderly persons; however, it has been observed in infants as young as 3 months. It riises during childhood and is most common in persons aged 15-40 years. PR is described to occur equally in the two sexes or little more often in females. The ratio of men to women differ from 1:1.43. PR has been estimated to be 0.13% in men and 0.14% in women. The usualness reported at dermatologic centers has been between 0.3 and 3%.
Causes of Pityriasis Rosea
Pityriasis rosea is caused by a viral or bacterial infection. It also is not due to any type of allergy. Pityriasis rosea is not a sign of any internal disease. Common causes of Pityriasis Rosea
- Exanthems.
- HHV-6 and HH-7.
- Atopy.
- Seborrheic dermatitis.
- Acne vulgaris.
- Drugs (bismuth, barbiturates, captopril, gold, organic mercurials).
Symptoms of Pityriasis Rosea
Common Symptoms of Pityriasis Rosea
- Skin lesion
- Rash
- Itching of the lesions.
- Skin redness.
- Inflammation.
- Headache.
- Fever.
- Nausea.
- Fatigue.