Probably a pimple or what is called a sebaceous cyst, caused by a clogged pore or sweat gland or oil gland. These are fairly common and will usually absorb into the body over time. If it comes to a head you can try to gently squeeze it. Most likely the insides will be a cheesy white substance. If this happens, try to get it all out, clean with an antibacterial soap, and dab some triple antibiotic ointment on it.
Kerry
Kerry, RN
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