Those sounds like itch, though itch can manifest as a variety of things, so let’s start by listing what you’re experiencing to be sure:  do you experience itching?  The itch, what kind of itch is it?  Is it a burning, tingling, shooting, throbbing, or other kind of sensation?  How often do you experience it?  Are you able to
assitant
I’m not familiar with that type of health condition. Can you tell me more about your experience?
assistant
What do I do about fatty bumps underneath the skin fo my arm?
user