Perichondritis is an infection that occurs in the tissue of the cartilage located in your outer ear, which is called the auricle or pinna. The infection itself is sometimes referred to as auricular ...

Chondrodermatitis nodularis helicis — or CNH for short — is a condition that affects your outer ear. You’ll see inflammation and a small hard bump on the ear cartilage. It's also called Winkler's ...

Medically reviewed by Jordana Haber Hazan, MD Key Takeaways Red ears can happen from flushing caused by emotions, spicy foods ...