A to Z: Pityriasis Roseaenparentshttps://kidshealth.org/EN/images/headers/P-khAZDictionary-enHD-AR1.jpgLearn about rashes and other conditions that affect the skin.Pityriasis rosea, skin rashes, skin, exanthem, skin infections, herald patch, mother patch, itching, flu-like symptoms, antihistamines, light therapy, itch creams, dermatology, christmas tree rash, mother patch, daughter patch, patches, rashes11/06/201304/11/201909/02/2019400f34b7-6f8e-404a-b5db-82df06d4b296https://kidshealth.org/ws/RadyChildrens/en/parents/az-pityriasis.html/<p><em>May also be called: "Christmas Tree" Rash</em></p> <p><a href="https://kidshealth.org/ws/RadyChildrens/en/parents/pityriasis-rosea.html/">Pityriasis rosea</a> (pit-uh-RYE-uh-sis ROW-zee-uh) is a harmless <a href="https://kidshealth.org/ws/RadyChildrens/en/parents/skin-hair-nails.html/">skin</a> rash that is common in older kids and young adults.</p> <h3>More to Know</h3> <p>Pityriasis rosea usually starts with one large, slightly raised patch of scaly skin on the chest, belly, back, or thighs. As the rash spreads, the original patch (called a herald patch or "mother" patch) is joined by a number of smaller spots that spread out across the torso.</p> <p>In some cases, the spots spread to the arms and legs. These spots are sometimes called "daughter" patches. They're generally oval and often form a pattern on the back that resembles a Christmas tree. Both the "mother" and "daughter" patches can be itchy and scaly, and the rash may sometimes be accompanied by flu-like symptoms.</p> <p>Doctors aren't sure what causes pityriasis rosea, but it's not due to&nbsp;<a href="https://kidshealth.org/ws/RadyChildrens/en/parents/center/allergies-center.html/">allergies</a>, bacteria, or fungi. Most cases of pityriasis rosea go away in 1 to 2 months without any treatment.</p> <p>When pityriasis rosea does require treatment, it's usually just to control the itching. Over-the-counter itch creams, allergy syrups, oral antihistamines, and even just getting a moderate amount of sunlight can help control itching and treat the rash. However, hot baths and showers and getting overheated can make the itching worse.</p> <h3>Keep in Mind</h3> <p>Pityriasis rosea is harmless and is not contagious, and usually goes away on its own. Still, it's important to get it checked out by a doctor to rule out other conditions.</p> <p><em>All A to Z dictionary entries are regularly reviewed by KidsHealth medical experts.</em></p>
A to Z Symptom: RashA rash is an area of irritated, bumpy, painful, or swollen skin. Most aren't harmful or dangerous.https://kidshealth.org/ws/RadyChildrens/en/parents/az-symptoms-rash.html/abd1a4c5-1f66-4c73-9f94-ceea372b0ec5
EczemaEczema is a common skin problem among teens. If you have eczema, read this article to find out more about it and how you can deal with the skin stress.https://kidshealth.org/ws/RadyChildrens/en/teens/eczema.html/75e74a08-afa8-468c-b699-b3399bd4f0cd
Eczema (Atopic Dermatitis)Eczema can be an itchy nuisance and cause scratching that makes the problem worse. Many kids who have eczema today will be over it by the time they're teens.https://kidshealth.org/ws/RadyChildrens/en/parents/eczema-atopic-dermatitis.html/085769a4-1f01-4f26-9de9-24cb82c71c30
Erythema MultiformeBy the looks of the "bulls-eye" marks this rash leaves on the skin, you might think it's cause for concern. But erythema multiforme clears up on its own within a few weeks.https://kidshealth.org/ws/RadyChildrens/en/parents/erythema-multiforme.html/db4a728e-f899-4989-a6cd-16b20f698866
Erythema ToxicumErythema toxicum is a common rash seen in full-term newborns. No treatment is needed and it goes away on its own.https://kidshealth.org/ws/RadyChildrens/en/parents/erythema-toxicum.html/7909189e-4070-48f4-a843-af7124c3d7f6
ImpetigoImpetigo is a strange-sounding word that might be new to you. It's an infection of the skin caused by bacteria. Read this article to learn more about it.https://kidshealth.org/ws/RadyChildrens/en/kids/impetigo.html/c9e55b07-8d2a-454a-8b47-67c4d016675e
Pityriasis RoseaPityriasis rosea is a pink or gray skin rash that's common in teens and young adults. It may itch, but it's harmless. Find out what to do about it in this article for teens.https://kidshealth.org/ws/RadyChildrens/en/teens/pityriasis.html/ce7d20b3-06a1-43b4-9bee-cf7505c8c391
RashesLearn about rashes in a flash. Check out our article just for kids!https://kidshealth.org/ws/RadyChildrens/en/kids/rashes.html/93106f15-27f0-427c-8e51-130efc8cb8c4
VitiligoVitiligo is a loss of skin pigment that causes white spots or patches to appear on the skin. It's not medically dangerous, but it can affect a person's appearance. Find out more.https://kidshealth.org/ws/RadyChildrens/en/teens/vitiligo.html/97be1271-6dd1-4732-9ef9-14347532222c