Dear it was a small lesion formed due to accidental biting of lip and u traumatised it again by biting so it enlarged. Its a mucocele, it need to be surgically treated by oral and maxillofacial surgeon. Prefer its excision by blade rather than Laser treatment.
Next Steps
Visit oral & Maxillofacial surgeon for Surgical excision of this mucocele. Visit my clinic at Aishbagh Road if u r from Lucknow.
Health Tips
Its a minor surgical procedure no need to get terrified from the name SURGICAL TREATMENT, it will not resolve itself unless acted upon.