Category: Head and neck

The human skull is a complex structure with many natural bony features, and millions of people can feel two bony protrusions on the lower back portion of their head. These bumps are most often the mastoid processes, explaining why many people ask, 'Why can I feel two large bumps in my skull on the right and left side of the back of my head?'.

Most neck lumps are harmless, often just a swollen lymph node reacting to a common infection. However, a small percentage of neck lumps can signal a more serious underlying issue. Understanding the key signs is crucial for knowing exactly **when to worry about lumps in the neck?** and seeking timely medical attention from a healthcare professional.

Studies indicate that most head injuries are minor, but a lump on the back of the head can last for varying lengths depending on its cause, from a simple bruise to something more complex. Understanding the origin is key to knowing how long does a lump on the back of the head last, and this guide provides an authoritative overview of the possibilities.