Medically reviewed by Casey Gallagher, MDMedically reviewed by Casey Gallagher, MD Tiny red dots on the skin can be caused by simple problems like heat rash, contact dermatitis, or scraping your skin ...

A 72-year-old obese woman with hypertension and type 2 diabetes presents to the clinic with a rash on her lower extremities. She states that she has had the rash for almost a year, but it has ...