A 20-year-old woman presents to the dermatology clinic with a 5-day history of a mildly pruritic rash on both of her legs and feet. She has no pertinent medical history and denies any recent illness ...

Medically reviewed by Susan Bard, MD Key Takeaways Some red spots on the skin can be harmless, while others may require medical attention. Conditions like heat rash, cherry angiomas, lichen planus, ...

To accurately assess and diagnose this patient’s condition, the clinician needs to consider conditions that would cause a symmetric, worsening, dependent, purpuric rash. This pattern is typical of a ...