Pimple On Finger Knuckle. A PIP joint dislocation occurs when trauma causes the bones of the finger to dislodge resulting in a very painful and swollen joint. Bumps on fingers not itchy.

Depending on the size of cysts they may feel hard and spongy. Bumps on fingers that are not itchy can be a possible sign of either malignant or benign tissue growth. Noticing A Bulge on the Bottom of Finger.
Cysts are fluid-filled sacks.
A lump on finger or finger joint is usually small pea sized hard and painful that protrudes under the skin. Patients notice its development initially on the big toe and the knuckle on the index finger. However in more severe cases pain and swelling can spread to your other fingers. Over time the area becomes firm and hard.