Related: Can Finger Arthritis Be Cured ... Heberden's nodes are bony bumps on the joints closest to the fingertips, while Bouchard's nodes are bony bumps on the middle joints of the fingers.

While acne can also affect other parts of the body, it is less common on the hands. However, other types of skin bumps are more likely to develop on the hand, and they may look like pimples.