While speaking at the Medal of Honor Ceremony on Monday, March 2, President Donald Trump, 79, appeared to have a large rash on the right side of his neck. These marks appeared a little over a month ...

Your immune system was supposed to protect you from threats, but sometimes it gets confused about what counts as an enemy and starts attacking your own healthy tissues. This internal betrayal happens ...

Medically reviewed by William Truswell, MD Key Takeaways Petechiae are tiny red or purple dots that don't turn white when you ...

Cutaneous lupus erythematosus (CLE) is an autoimmune disease that affects the skin, causing rashes or sores, usually after sunlight exposure. Treatment options include topical steroids, medications, ...

That angry cluster of itchy red bumps might be more than just an annoying skin condition. While many skin irritations represent harmless reactions to environmental triggers, some persistent or unusual ...

Donald Trump’s doctor, Sean Barbabella, offered up an official explanation for the concerning-looking rash spotted on the president’s neck behind his right ear during a Medal of Honor ceremony on ...