Yes I have them on my knuckles and bone close to fingernails. Very sore. Not sure if it is arthritis or from fibromyalgia.

I get those too have a couple of like arthritis nodes. Have a big one in n top of foot but looks more like stress fracture

Also they dont hurt and they are not painful

Yes but i do but i dont think it has anything to do with having fibromyalgia

After a wrist break I developed swelling and nerve pain in the hands. Then hard 1/2 pea sized lumps under the thumb and 2 fingers on the underside of the first joint (pads). Not visible though. No test could diagnose them and only one Doctor could feel them. It hurts when picking things up. The only explanation given was that it was probably my fibromyalgia. 8 months later they have not decreased.