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Pityriasis Circinata

Pityriasis rosea is a self-limited skin disease of unknown etiology. It occurs most commonly in children and young adults.


  • […] pityriasis amiantacea. [31] Atypical symptoms Pruritus may or may not be present in a patient.[dx.doi.org]
  • For a pathogenetic association between HHV-7 and PR, however, the virus is expected to be present in the lesions.[doi.org]
  • In the drug induced form there is no herald patch, individual lesions tend to be violet-red in colour, pruritus is more severe, and eosinophilia may be present. It has been speculated that drugs can trigger HHV-6 or HHV-7.[doi.org]
  • Pityriasis rosea can present in a variety of manners. Most often a herald patch precedes the generalized eruption, although this is not always the case. Pityriasis rosea may lead to undesirable outcomes when affecting pregnant women.[ncbi.nlm.nih.gov]
  • Recent findings Pityriasis rosea can present in a variety of manners. Most often a herald patch precedes the generalized eruption, although this is not always the case. Pityriasis rosea may lead to undesirable outcomes when affecting pregnant women.[doi.org]
  • Progression to the chronic lichenoid form occasionally occurs. pityriasis al ba a chronic condition with patchy scaling and hypopigmentation of the skin of the face. chronic lichenoid pityriasis a chronic brown to red-brown scaly macular eruption, seen[medical-dictionary.thefreedictionary.com]
  • Experience in diagnosing skin diseases, frequency of syphilis in the community served, and the characteristics of the individual eruption are important factors in the decision to perform an RPR test.[ncbi.nlm.nih.gov]
  • Drugs and pityriasis rosea A pityriasis rosea-like eruption has been attributed to several drugs (box 1), mostly in single case reports, as identified in our scan of the literature.[doi.org]
  • Pityriasis rosea is a common, acute, self-limited papulosquamous eruption of possible viral aetiology. The aim of this study was to describe the profile of pityriasis rosea seen at a referral skin centre in Singapore.[ncbi.nlm.nih.gov]
  • Zaenglein , Papulosquamous skin eruptions , Pediatric Dermatology , 10.1016/B978-0-7020-3022-2.10002-7 , (17-28) , (2008) .[doi.org]
  • Five consecutive daily erythemogenic exposures resulted in substantially decreased pruritus and extent of disease greater than that on the untreated side in approximately 50% of the patients.[ncbi.nlm.nih.gov]
  • No significant difference in pruritus was noted between the two sides (p 0.1638). The duration of disease did not relate to the success of UVB phototherapy. During the treatment period UVB phototherapy resulted in decreased severity of disease.[ncbi.nlm.nih.gov]
  • Pruritus (may be intense) is thought to occur in about half of cases. The rash begins with a herald patch in 40-76% of cases.[patient.info]
  • […] well-conducted studies on oral acyclovir in low dose (400 mg three times daily for 7 days or 400 mg five times daily for 7 days) and high dose (800 mg five times daily for 7 days), that acyclovir is effective in attaining rash regression and lessening the pruritus[ncbi.nlm.nih.gov]
Scaly Rash
  • Pityriasis rosea is a scaly rash that mainly affects young adults. It can be very itchy but most people recover within 2 to 12 weeks. To assess the effects of interventions for pityriasis rosea.[ncbi.nlm.nih.gov]
  • In susceptible people it changes to a pathogenic form called Malassezia furfur and produces a persistent depigmented scaly rash on the trunk.[medical_en.enacademic.com]
  • Pityriasis rosea is a scaly rash that mostly affects young adults. It is relatively common and affects about 170 out of every 100,000 people in the community each year. The first sign is a patch of scales, usually on the trunk.[cochrane.org]
  • The scaly rash typically lasts between four to eight weeks and will disappear without treatment. Symptoms may include: itching (sometimes severe), and less comonly, body aches and fatigue. However, each child may experience symptoms differently.[texaschildrens.org]
  • The scaly rash usually lasts between four to eight weeks and will disappear without treatment. The following are other common symptoms of pityriasis rosea. However, each child may experience symptoms differently.[chop.edu]
  • , Judith Ogiez , Lucie Ogiez , Enagnon Kazali Alidjinou , Mouna Lazrek , Anny Dewilde , Didier Hober Abstract Pityriasis rosea (PR) usually presents as acute exanthema with oval erythematous-squamous lesions localized on the trunk, arms, and legs with[pediatrics.aappublications.org]
  • Pityriasis Rosea (PR) History:(i) Close contacts with similar eruptions: Mostly uncommon because most cases of PR are sporadic(ii) Medication intake: Could cause a similar exanthema(iii) Previous sexually transmitted disease(iv) Possible pregnancy(v)[dailyrounds.org]
  • Current evidence indicates that PR is a type of viral exanthema and the etiology may be possibly linked to human herpes viruses HHV6 and HHV7 [3].[odermatol.com]
  • Pityriasis Rosea (PR) Presents as a mild exanthema (a disease accompanied by a skin eruption) at any age (predominantly during second to fourth decade). Some suggest that the elderly and very young are immune.[hairscientists.org]
Papulosquamous Rash
  • On examination, he had a papulosquamous rash mainly on his trunk with a Christmas tree pattern [Figure 1]. The lesions were about 1-2 cm in diameter, scaly with raised margins.[e-ijd.org]
  • It is characterized by an initial herald patch, followed by the development of a diffuse papulosquamous rash. The herald patch often is misdiagnosed as eczema.[aafp.org]


  • If a case of PR hasn't cleared within 8-10 weeks, I'll usually perform a workup to verify nothing has been overlooked. Currently, there is no treatment available which clears the rash.[web.archive.org]


  • Pityriasis Roseaâ Pathogenesis, Diagnosis, and Treatment. Reviewed and Approved by a member of the DoveMed Editorial Board First uploaded: June 12, 2017 Last updated: June 12, 2017[dovemed.com]
  • Stay at the forefront of your field with updated treatment methods throughout, as well as an increased focus on patients with skin of color.[books.google.com]
  • We found no significant difference between the 2 treatment groups at weeks 4, 6, and 8 after beginning of treatment. (p .05 Chi2).[ncbi.nlm.nih.gov]
  • We searched PubMed for all reports on randomized controlled trials for the treatment of PR published in the past 30 years.[ncbi.nlm.nih.gov]
  • The treatments were given five times per week for 2 weeks. The rate of clearing was monitored by estimation of the severity score.[ncbi.nlm.nih.gov]


  • […] cause of the condition is not known, but it is linked to a viral infection Mild cases requires no treatment, although the application of corticosteroids and antihistamines on the rashes can help control itching and redness The disorder has a very good prognosis[dovemed.com]
  • Prognosis These spots, which may be itchy, last for 3-12 weeks. Symptoms rarely recur. Resources Organizations American Academy of Dermatology. 930 N. Meacham Road, P.O. Box 4014, Schaumburg, IL 60168-4014. (847) 330-0230.[medical-dictionary.thefreedictionary.com]
  • Prognosis [ 2 ] The eruptions are self-limiting and usually disappear gradually in 2-12 weeks, without any treatment. However, they can take up to five months to disappear in some cases.[patient.info]
  • AFP 2004 ; 69(1) Links: clinical features management prognosis guttate psoriasis[gpnotebook.co.uk]


  • Pityriasis rosea is a self-limited skin disease of unknown etiology. It occurs most commonly in children and young adults.[symptoma.com]
  • Significantly more parents of children with PR had concerns regarding the etiology, infectivity, relapse, and complications or dangers of the disease.[ncbi.nlm.nih.gov]
  • The etiology is unknown. Called also porcine juvenile pustular psoriasiform dermatitis, pseudoringworm.[medical-dictionary.thefreedictionary.com]
  • Convert to ICD-10-CM : 696.3 converts directly to: 2015/16 ICD-10-CM L42 Pityriasis rosea Clinical Information A mild exanthematous inflammation of unknown etiology. It is characterized by the presence of salmon-colored maculopapular lesions.[icd9data.com]


  • Previously reported virological and epidemiological results for these rashes are conflicting in many aspects.[ncbi.nlm.nih.gov]
  • A population-based epidemiologic study of pityriasis rosea was developed for Rochester, MN, for a recent 10-year period.[ncbi.nlm.nih.gov]
  • Owing to the relatively small number of patients, virological and epidemiology studies, and treatment trials usually recruit few study and control subjects. This leads to low statistical powers and thus results have little clinical significance.[doi.org]
  • The cause of pityriasis rosea is uncertain but epidemiological (seasonal variation and clustering in communities) and clinical features suggest an infective agent.[doi.org]
  • Epidemiology References: [1] Epidemiological data refers to the US, unless otherwise specified. Etiology Clinical features Diagnostics Treatment[amboss.com]
Sex distribution
Age distribution


  • Pathogenesis The pathophysiology of pityriasis rosea is poorly understood. The disease is believed to be viral in origin, given the way in which cases cluster in space and time as well as the low rate of recurrence.[pedclerk.bsd.uchicago.edu]
  • Pathophysiology Pityriasis rosea (PR) has often been considered to be a viral exanthem, a view supported by the condition’s seasonal occurrence, its clinical course, the possibility of epidemic occurrence, the presence of occasional prodromal symptoms[emedicine.com]


  • […] prognosis; the skin lesions generally resolve with no long-term complications Please find comprehensive information on Pityriasis Rosea regarding definition, distribution, risk factors, causes, signs & symptoms, diagnosis, complications, treatment, prevention[dovemed.com]
  • - 100% Emergent - ED Care Needed - Preventable/Avoidable - 0% Emergent - ED Care Needed - Not Preventable/Avoidable - 0% Primary diagnosis of injury 0% Primary diagnosis of mental health problems 0% Primary diagnosis of substance abuse 0% Primary diagnosis[codelay.com]
  • Preventing the spread of tinea It is important to remember that tinea is contagious. Suggestions on how to prevent the spread of infection to others include: Treat tinea infections with antifungal cream.[betterhealth.vic.gov.au]
  • Infected areas should be treated with care to prevent bacterial infection. Areas infected previously but fully recovered have to remain clean all the time to prevent relapse. Oral medication takes a longer time to work.[drugoffice.gov.hk]
  • Can pityriasis rosea be prevented or avoided? You cannot prevent or avoid this condition. Pityriasis rosea treatment Treatment cannot cure pityriasis rosea, but medicine can help relieve the itching.[familydoctor.org]

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Last updated: 2018-06-22 02:26