It usually starts with one clear red spot with scaling, often on the torso. Then there is a rapid expansion with dozens of itchy and scaling spots, primarily on the torso, upper arms, and upper legs.
Symptoms
Pityriasis Rosea typically begins with a ‘herald patch,’ a larger round or oval pink spot, followed by smaller pink or red spots that spread across the torso, arms, and sometimes legs. Common symptoms include mild to severe itching and sometimes mild flu-like symptoms such as sore throat and fatigue. The rash usually lasts from 4 to 10 weeks.
Causes
The exact cause of Pityriasis Rosea is not fully known, but it is suspected that a viral infection could be the trigger. There is no evidence that the condition is genetic or contagious.
Diagnosis
Diagnosis is usually based on the appearance of the rash and the patient’s medical history. Additional tests such as blood tests or a skin biopsy may be required to rule out other conditions.
Treatment
There is no specific treatment for Pityriasis Rosea as it usually resolves on its own. Treatments focus on relieving symptoms, such as using moisturizing lotions or corticosteroid creams and oral antihistamines for severe itching.
Self-care tips
- Avoid hot baths and showers that can worsen itching; opt for lukewarm water.
- Use mild soap to avoid further irritation.
- Regularly moisturize the skin to keep it supple.
- Wear comfortable, loose-fitting clothing to minimize irritation.
Links: Find even more information at the following websites.
Dutch
English
- DermNet NZ - Pityriasis Rosea
- British Association of Dermatologists - Pityriasis Rosea
- eMedicine - Pityriasis Rosea
Images
