An abscess occurs when an infection causes a pocket of pus to develop. Abscesses can develop on the skin, in the mouth, or inside the body. Bacterial infections typically cause abscesses. Pus develops ...
Medically reviewed by John Carew, MD Key Takeaways Pain behind the ear can happen due to infections, nerve issues, or jaw problems.Occipital neuralgia causes sharp pain that can occur when you ...