What does pityriasis look like?
A single pink or red oval patch of scaly skin, called the “herald patch”, usually appears at least 2 days before a more widespread rash develops. The herald patch ranges in size from 2cm to 10cm. It can appear on your tummy, chest, back or neck, and less often on your face or scalp, or near your genitals.
How do you treat a herald patch?
For these patients, topical steroids, calamine lotion, zinc oxide, oral antihistamines, and oral steroids may be used. If the patient is disturbed by the appearance of the rash and desires treatment, ultraviolet B phototherapy or a 2-week course of oral erythromycin may be used.
What can be mistaken for pityriasis rosea?
Diagnosis of pityriasis rosea
Pityriasis rosea can be mistaken for skin conditions such as tinea (a fungal skin infection also known as ringworm) or psoriasis, so careful diagnosis is needed. Other less common illnesses, such as syphilis, may also cause a similar rash.
Is pityriasis rosea a STD?
Pityriasis rosea isn’t a sexually transmitted disease or infection (STD or STI). You can’t spread pityriasis rosea to another person through unprotected sex or skin-to-skin contact.
What does an autoimmune rash look like?
Autoimmune rashes can look like scaly red patches, purplish bumps, or more. The appearance of autoimmune rashes will be different, depending on which autoimmune condition is triggering the skin rash. For example, cutaneous lupus may cause a scaly red patch that does not hurt or itch.
What is lupus rash?
Systemic lupus erythematosus (SLE) is an autoimmune disease. In this disease, the immune system of the body mistakenly attacks healthy tissue. It can affect the skin, joints, kidneys, brain, and other organs. The round or disk shaped (discoid) rash of lupus produces red, raised patches with scales.
How does a herald patch start?
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.
Why did I get pityriasis rosea?
The cause of pityriasis rosea is not known, but it is commonly believed to be caused by a virus or bacteria. Some patients may have a cold before the rash. It is usually seen in children, adolescents, and young adults. Most people with the rash are 10 to 35 years of age.
How did I catch pityriasis rosea?
The exact cause of pityriasis rosea is unclear. It might be triggered by an infection with a virus, particularly by certain strains of the herpes virus. But it’s not related to the herpes virus that causes cold sores. Pityriasis rosea isn’t contagious.
Does Vitamin D Help pityriasis rosea?
Supplements. No strong evidence indicates that any supplements could help treat pityriasis rosea. However, certain supplements may relieve itchy skin in general. Research suggests that vitamin D may relieve skin itch associated with eczema, a condition that makes skin red and itchy.
Where does pityriasis rosea affect the body?
Although the back, chest and stomach are most commonly affected, the rash may spread to affect the arms, legs and neck. Less often, other areas of the body may become involved. In rare cases, the rash may be isolated (localized) to one specific area of the body.
What does a lupus skin rash look like?
A lupus rash can appear in the following ways: A scaly, butterfly-shaped rash that covers both your cheeks and the bridge of your nose, This rash will not leave any scarring in its wake, but you may notice some skin discoloration such as dark or light-colored areas. Red, ring-shaped lesions that do not itch or scar.
What does a Sjogren’s rash look like?
Sjogren’s syndrome patients often develop a purple-to-red rash that does not lighten when pressure is applied. They may also show purpura (rashes with blood spots) that’s indicative of vasculitis (inflammation of blood vessels). If you observe any of these rashes on your skin, consult a dermatologist.
What do autoimmune rashes look like?
What does a rheumatoid arthritis rash look like?
Patches can appear red or burgundy and have a red-violet hue on darker skin tones. They may appear as multiple pinpoint dots. RA-related vasculitis of the skin commonly appears on the fingers and toes. Sometimes, rheumatoid vasculitis rashes develop into painful ulcers.
What medications can cause pityriasis rosea?
Certain drugs can potentially cause a rash extremely similar to pityriasis rosea as a side effect of their use. These drugs include barbiturates, bismuth, clonidine, captopril, gold, imatinib mesylate, interferon, arsenic compounds and gold.
What helps clear up pityriasis rosea?
Take nonprescription allergy medicine (antihistamines), such as diphenhydramine (Benadryl, others). Bathe or shower in lukewarm water. Sprinkle bath water with an oatmeal-based bath product (Aveeno). Apply a moisturizer, calamine lotion or a nonprescription corticosteroid cream.
What cream is good for pityriasis rosea?
How do dermatologists treat pityriasis rosea?
- An anti-itch lotion, such as hydrocortisone cream.
- Triamcinolone ointment.
- Antihistamine that you take.
- UVB phototherapy (light treatments that are given in a dermatologist’s office)
Is pityriasis rosea an autoimmune disease?
Although a virus is believed to cause pityriasis rosea, the disorder is not thought to be contagious. Some researchers have theorized that autoimmune factors may play a role in the development of pityriasis rosea. Autoimmunity is when the body’s immune system mistakenly attacks healthy tissue for unknown reasons.
Why do people get pityriasis rosea?
How can I speed up the healing of pityriasis rosea?
What is Still’s disease?
INTRODUCTION. Adult-onset Still’s disease (AOSD) is an inflammatory disorder characterized by quotidian (daily) fevers, arthritis, and an evanescent rash. First described in children by George Still in 1896, “Still’s disease” has become the eponymous term for systemic juvenile idiopathic arthritis [1].
Is sun good for pityriasis rosea?
Sunlight exposure
One dose of ultraviolet light may stop itching and shorten the course of pityriasis. Consider sunbathing for 30 minutes max (enough to make the skin pink).
How do you stop pityriasis rosea from spreading?
What is Schnitzler syndrome?
Schnitzler syndrome is a rare disorder characterized by a chronic reddish rash that resembles hives (urticaria) and elevated levels of a specific protein in the blood (monoclonal IgM gammopathy).