Pityriasis rosea is a rash that can appear anywhere on your body, especially your trunk, arms and legs. Antihistamines and hydrocortisone creams can reduce itching. Christmas tree rash, or pityriasis rosea, is an oval-shaped skin patch that can appear on different parts of your body.
Here's how to identify it and what to do if you have it. Pityriasis rosea is a self-limiting rash, which resolves in about 6-10 weeks. It is characterised by an initial large "herald patch" followed by smaller patches resembling a christmas tree.
A week or two after the herald patch appears, it is joined by "daughter patches" - smaller, scaly rashes that form on your chest or back, often in the shape of a Christmas tree. Get an overview of Christmas tree rash. This harmless rash often forms a telltale "Christmas tree" pattern on the back that makes it easy to identify.
The rash may also appear in a Christmas tree pattern on the back. The rash usually lasts for several weeks, with new spots continuing to appear for up to six weeks. Learn about pityriasis rosea, a harmless skin condition with a unique Christmas tree rash pattern and what to expect during healing.
Learn about pityriasis rosea, a common skin rash with a distinctive 'Christmas tree' pattern. Dr. Ashlee Baldree at Village Dermatology explains its causes, symptoms, and treatment options available at our Katy and Memorial, Houston locations.
The individual lesions form a symmetrical "Christmas tree" pattern on the back with the long axis of the ovals oriented in the "Lines of Blaschko" (invisible skin lines of embryonic origin). This pityriasis rosea rash is usually limited to the trunk, arms, and legs. Pityriasis rosea usually spares the face, hands, and feet.