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Pityriasis Rosea

Pityriasis rosea is a skin disease marked by patches of pink, oval rash . Although its exact cause is unknown and its onset is not linked to food, medicines or stress, it is thought that this essentially non-contagious condition is set off by a virus. Anyone can get it, but it is most common in people ages 10 to 35. Usually there are no permanent marks as a result of this condition, although some darker-skinned persons may develop long-lasting flat brown spots that eventually fade. Usually there are no permanent marks as a result of this disease, although some darker-skinned persons may develop long-lasting flat brown spots. The skin rash follows a very distinctive pattern. In 3/4 of the cases, a single, isolated oval scaly patch (the "herald patch") appears on the body, particularly on the trunk, upper arms, neck, or thighs. Often, the herald patch is mistaken for ringworm ( tinea corporis ) or eczema . Within a week or two more pink patches will occur on the body and on the arms and legs. These patches often form a pattern over the back resembling the outline of an evergreen tree with dropping branches. Patches may also appear on the neck and, rarely, on the face. These spots usually are smaller than the "herald" patch. The rash begins to heal after 2-4 weeks and is usually gone by 6-14. Sometimes the disease can cause a more severe skin reaction. Some patients with this disease will have some itching that can be severe, especially when the patient becomes overheated. Occasionally there may be other symptoms, including tiredness and aching.

Pityriasis rosea is a common skin rash that occurs mainly in children and young adults. It usually begins as one large spot on your chest, abdomen or back and then spreads. The rash of pityriasis rosea often sweeps out from the middle of the body, and its shape resembles drooping pine-tree branches. Although pityriasis rosea has a distinctive appearance once the rash appears, in its early stages you may confuse pityriasis rosea with other skin disorders, such as ringworm or eczema. Pityriasis rosea is a common skin disease. It appears as a rash that can last from several weeks to several months. The way the rash looks may differ from person to person. Pityriasis rosea clears up by itself in about six to twelve weeks. When clear, the skin returns to its normal appearance. It leaves no scars, although pale marks or brown discolouration may persist for a few months in dark skinned people. Second attacks of pityriasis rosea are rare.

Causes of Pityriasis Rosea

Common Causes of Pityriasis Rosea

• The cause of pityriasis rosea is unknown. It may be caused by a yet unidentified virus.
• Drugs such as bismuth, barbiturates, captopril, gold, organic mercurials, methoxypromazine, metronidazole, D-penicillamine, isotretinoin, tripelennamine hydrochloride, ketotifen, and salvarsan have been implicated in causing drug-induced PR.
• No bacteria, virus, or fungus has been isolated as a definite causal agent, although HHV-6 and HH-7 may play a role.
• There is recent evidence suggesting that it may be caused by a virus since the rash resembles certain viral illnesses, and occasionally a person feels slightly ill for a short while just before the rash appears.

Symptoms of Pityriasis Rosea

Some common Symptoms of Pityriasis Rosea :

• Skin redness or inflammation.
• Itching of the lesions (mild to severe).
• Headache.
• Fever.
• Itching.
• Aching.
• Tiredness.
• Nausea.
• Fatigue.

Treatment of Pityriasis Rosea

• Oral antihistamines may help in cases of severe itching.
• For more severe itching, stronger steroid creams may be prescribed. For itching that occurs mainly at night, oral antihistamines may reduce itching and make you drowsy enough to fall asleep more easily.
• Aveeno oatmeal baths, anti-itch medicated lotions and steroid creams may be prescribed to combat the rash. Lukewarm, rather than hot, baths may be suggested.
• Phototherapy using UVB ultraviolet light may be helpful.
• Mild moisturising creams can be applied generously and often.
• Nature always cures this disorder, sometimes slowly.
• The rash of pityriasis rosea is irritated by soap; bathe or shower with plain water. The rash makes the skin dry; it helps to put a thin coating of bath oil on your freshly dried skin after a shower or bath.
• The red spots may appear more prominently after a hot shower or bath and after heavy physical activity. The condition doesn't get worse, the rash simply becomes more noticeable.

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