you probably are allergic, but you didn't know it.
The best way is to do a biopsy. But a bump on the lip can be many things.
It can sometimes mean you have bitten your lip.
Stop touching it so it can heal.
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.
bump
Yes, it is a virus called oral herpes which manifests itself as a cold sore, or "bump".
There are cures available for lip bumps. The remedy you could use would depend on what type of a bump you have.
I'm no doctor but either you have a hold sore or a wart.
It could be a cold soar or another infection.
it is a bump/looked like a zit at the beginning on my bottom lip right on the lip line.
if you have a bump on your lip and it comes and goes, the best thing to do is to ask a family member or friend. Also he or she can work on getting an insurance.
What is or causes a small bump on lower lip that bleeds profusely well the blood builds up too much? Had for decades, has bled 5-7 times in 10 years.