When infection goes deeper it is called cellulitis. You may need antibiotic therapy, especially if is around the nose or lip.Do consult your doc.
What you may be having is a boil or an abscess and pressing it has worsened the condition. Apply warm compresses,Neosporin ointment and calamine lotion and avoid messing with it.You can take anti-inflammatory pain killers like ibuprofen or acetaminophen. If the lump persists then it will be best to get it evaluated from a doctor as you may need oral antibiotics and incision and drainage.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.