Medically reviewed by Archana Sharma, DO Although rare, a red rash may indicate leukemia, which is a type of blood cancer. A leukemia rash can look like tiny dots, big plaques, or itchy bumps that do ...

Petechiae are tiny spots that appear red, purple, or brown. They occur when a blood vessel breaks open under the skin, which ...

During a physical exam, the healthcare professional might perform a Wood’s lamp skin exam, where they view the spots through a special device that emits black light. If a doctor or healthcare ...