Pityriasis rosea is a harmless skin disease that causes scaly patches that sometimes itch over the torso, neck, arms and legs. Anyone can get it, but it is most common in people ages 10 to 35. Typically, the disease begins with the appearance of a single large, pink, scaly, oval patch, called the "herald patch." Dear Editor, Pityriasis rosea is a common, acute, and self-limiting dermatosis, which is associated with the endogenous systemic reactivation of human herpesvirus (HHV)-6 and/or HHV-7 (1). It predominantly affects individuals of both sexes in their second or third decade of life and is clinically ch … Pityriasis rosea is a common, self-limited, papulosquamous eruption, classically presenting along the Langer lines of the skin. We report a clinically typical case of pityriasis rosea that developed following COVID-19 vaccination. As the novel COVID-19 vaccine becomes more widely available during th … For being a fairly common skin condition, not much is known about what causes pityriasis rosea. It seems to be triggered by a viral infection. It seems to be triggered by a viral infection. What makes this particular papulosquamous disorder unique is the appearance of a herald patch⁠—a circular to oval spot that typically appears on the trunk. PR is an acute, self-limited, papulo-squamous eruption that tends to occur in the fall and spring, mainly in the age range of 10-35 years, with a slight predilection for females (1.5:1). Recent evidence points towards a viral etiology; HHV-6 and HHV-7, in particular, have been implicated. Pityriasis rosea: Pityriasis rosea (PR) is a benign rash, a common skin disorder observed in otherwise healthy people, most frequently found in children and young adults, that is thought to be caused by a mild viral infection. It usually goes away without treatment after a few months. Pityriasis rosea is an inflammatory skin disease characterized by erythematous papulosquamous eruptions localized mainly to the trunk. Viral agents, especially human herpes virus 6 and 7, autoimmunity, drugs such as captopril, nonsteroidal anti-inflammatory drugs, barbiturates, metronidazole, isotretinoin, griseofulvin, terbinafine, and Pityriasis rosea is a type of skin rash. It starts with 1 large round or oval scaly patch. This is called the herald patch. It then causes many more small patches. The rash most often appears on the chest, back, and belly. Researchers aren’t sure about the cause of pityriasis rosea. DnpI.