Pityriasis rosea - Symptoms & causes - Mayo Clinic
2024年7月12日 · Pityriasis rosea is a rash that often begins as an oval spot on the face, chest, abdomen or back. This is called a herald patch and may be up to 4 inches (10 centimeters) across. Then you may get smaller spots that sweep out from the middle of the body in a shape that looks like drooping pine-tree branches.
Pityriasis rosea - DermNet
Except for mild to severe itching in up to 25% of patients, no systemic symptoms are typically present during the rash phase of pityriasis rosea. A few days before the rash develops, up to 69% have flu-like symptoms eg, cough or sore throat. The herald patch is a single patch that appears before the generalised rash of pityriasis rosea.
Pityriasis Rosea (Christmas Tree Rash): Causes & Treatment
2022年6月17日 · In approximately 50% of people with pityriasis rosea, the patches itch. In darker-skinned or Black people, the patches may be more raised (papular), and the centers of the patches may look like the tissue is dying (necrotic).
Pityriasis Rosea: Stages, Photos, Treatments - Verywell Health
2023年3月7日 · Pityriasis rosea is a common rash that usually begins as a round or oval-shaped patch and spreads in stages in a characteristic pattern. It may or may not be itchy and usually lasts six to eight weeks before resolving on its own.
Pityriasis Rosea: Symptoms, Causes, and Treatment - WebMD
2023年10月24日 · It’s usually oval-shaped and about 2-10 centimeters (a little less than an inch to almost 4 inches) in diameter. You may find it slightly raised or rough in texture. Sometimes, you may also have...
Pityriasis rosea: Signs and symptoms - American Academy of Dermatology
2024年3月1日 · They’re most common on the trunk, legs, and arms. Your skin may itch, especially if it becomes warm, such as during a workout or a hot shower. While the rash usually causes small, scaly bumps on the skin, the rash can look more like hives or ringworm (A). It can even look like acne (B) or one of many other skin conditions.
Pityriasis rosea - NHS
Usually you get the rash on your chest and back, but it can appear on the arms or legs. In children, it may appear on the face or scalp. It usually appears in the same place on both sides of the body and may be itchy. On white skin, the spots are pink or red. On black or brown skin, the spots can be grey, dark brown or black.
Pityriasis Rosea - Johns Hopkins Medicine
Pityriasis rosea is a type of skin rash. It is also called Christmas tree rash. It starts with 1 large, scaly patch. It may be round or oval. This is called the herald patch. It then causes many more small patches. The rash most often appears on the chest, back, and belly. It can take 1 to 3 months to go away.
Pityriasis Rosea: Causes, Symptoms, Stages, & Treatment - MedicineNet
2023年4月24日 · What is pityriasis rosea? Pityriasis rosea is mildly itchy in 50% of cases and clears spontaneously in an average of six to nine weeks. Pityriasis rosea is a common viral infection that usually affects individuals between 10-35 years of age. The rash typically lasts 6-9 weeks, rarely extending longer than 12 weeks.
Pityriasis Rosea (Christmas Tree Rash) - Healthline
2024年1月19日 · Skin rashes are common and can have many causes, from an infection to an allergic reaction. If you develop a rash, you’ll likely want a diagnosis so that you can treat the condition and avoid...