A lump under the chin is most commonly caused by infection. We’ll explain why this happens, other possible causes, and when you should see a doctor.

A lump under the chin could be due to swollen glands, hives, boils, benign growths, or cancer, among many more. Learn about the causes.

What's Causing Pain Under My Ribs in the Upper Left Side of My Abdomen? ... This may cause tightening or pain in your chest, jaw, back, shoulders, and arms. Angina isn’t a disease of the heart.