Papular urticaria is an allergic reaction to insect bites or stings causing itchy red bumps on the skin. Some bumps called vesicles or bullae can become fluid-filled blisters, depending on size. Keep ...

Lupus is a chronic (long-term) disease that can cause inflammation and pain in any part of your body. It’s an autoimmune disease, which means that your immune system — the body system that usually ...

Please provide your email address to receive an email when new articles are posted on . An 8-year-old girl presents to your office with a rash unresponsive to therapy. She first noticed pink papules ...

Lupus is an autoimmune disease that can attack the skin, joints, organs, nervous system, blood cells, kidneys, or some combination of body systems. The term "lupus" commonly refers to systemic lupus ...