My grandma has these hard bumps forming on her finger joints near the nails. Why is this spreading?

ranging from a few millimeters to over a centimeter in diameter, and may cause the skin over the joint to stretch and appear shiny.

 

These nodes are most frequently found on the distal interphalangeal (DIP) joints, which are the joints closest to the tips of the fingers. While these bumps can be a normal part of aging, their presence and progression can lead to discomfort and reduced finger dexterity.

2. Heberden’s Nodes: The Most Common Culprit Behind These Bumps

 

Heberden’s nodes are the most common type