Dermatology Questions? Ask an Online Dermatologist.
This is Dr. David
this lump could be a subaceous cyst or an infected skin cyst or boil or an ingrown hail follicle.
warm to the touch can be a sign of infection
you should bring her to the ER or urgent care center tomorrow to see if it is infected
to see if she needs a course of antibiotics possibly.
do you have an urgent care center or ER where she can be seen?
is the area tender?