Sorry for late reply and inconvenience.
Thanks for all these additional information.
I understand your concern.
Well, painful, hard and immovable lump on right side of base of head can be due to enlarged lymph node.
Other possible cause may include infected sebaceous cyst formation.
Give her OTC Motrin and Tylenol alternately every 4-6 hourly.
Also apply warm compresses on affected area.
Apply OTC 1% hydrocortisone cream and Bacitracin ointment twice a day on affected area.
Start a multivitamin supplement.
If her symptoms'll persist then see her doctor for further evaluation and management.
Let me know if you have any further query so we can discuss it thoroughly in every aspect.
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