The best way is to do a biopsy. But a bump on the lip can be many things.
A bump in the lip may be caused by a blow to the mouth or hitting the mouth against a hard surface. The lip swells and forms a bump, with possible bruising. Try and apply an ice pack to the bump as soon after injury as possible to reduce swelling.
It can sometimes mean you have bitten your lip.
A bump on your lip would be an ulcer. It could also be a cold sore. If you are concerned, or if it hurts badly, see a doctor.
A bump on the vaginal lip could be anything from an infection to cancer. There is no way to tell without seeing a physician.
put ice on it it will make you bump shrink
Herpes
Yes it can be removed
You're probably chewing your lip, or you accidently bite that area.
Canker of Kanker Sore most likely if it's on the inside of the lip.
It might be a keloid, which is a bump made from overgrown tissue or scarring often caused by ear piercing... It could be possible in the lip.
you probably are allergic, but you didn't know it.