Pityriasis Rosea

Question 1

what is pityriasis rosea?

Answer 1

acute, self-limiting rash which tends to affect young adults

Question 2

what are the featues of pityriasis rosea?

Answer 2

sometimes there is a history of recent viral infection
1. herald patch (usually on trunk)
2. followed by erythematous, oval, scaly patches

Question 3

what is the typical distribution of the scaly rash in pityriasis rosea?

Answer 3

• longitudinal diameters of the oval lesions running parallel to the lin of langer
• produce a ‘fir-tree’ appearance

Question 4

what is the management of pityriasis rosea?

Answer 4

self-limiting (disappears after 6-12 weeks)