Why do oral cysts come back on the inside of your lips?

Saliva. Little "cysts" that come and go on the inside of lips are usually tiny salivary glands that are blocked. They can become blocked by minor trauma that crushes the duct. To resolve this problem minor surgery is required to remove the affected gland.

Related Questions

Why do oral cysts come back, on the inside of the lips?

Saliva. Little "cysts" that come and go on the inside of lips are usually tiny salivary glands that are blocked. They can become blocked by minor trauma that crushes the duct. To resolve this problem minor surgery is required to remove the affected gland. Read more...