Bacteria
Could be a sebaceous cyst.
Sebaceous cysts are not precancerous.
Usually, that is a sebaceous cyst... Not normally associated with headaches. Google "sebaceous cyst"...
A pimple, a boil (furuncle), or a sebaceous cyst.
A sebaceous cyst possibly. Not dangerous, but consult your physician. A sebaceous cyst possibly. Not dangerous, but consult your physician.
Yes
For the treatment of sebaceous cyst, apply some tea tree oil directly on it.
Sebaceous Cyst
sebaceous cyst sebaceous cyst
Typically, you wouldn't have general anesthesia for removal of a sebaceous cyst. Talk with your health care provider for information specific to your situation.
Yes it can feel quite tender
Sebaceous cysts do not contain worms; they contain sebum, or skin oil.