What is the direct answer?
A clear bubble inside the lip is often a mucocele, a mucus-filled swelling caused when a minor salivary gland duct is injured or blocked.
What does this question mean?
A mucocele is a soft saliva-filled swelling, often on the inner lower lip, after lip biting or minor trauma.
What can you do next?
Do not pop it. Avoid biting the area, brush gently, and arrange an examination if it persists or repeatedly returns.
When should you seek dental care?
Seek care if it becomes firm, bleeds, ulcerates, grows, or interferes with eating or speech.
What should you ask the dentist?
Ask whether it is a mucocele, whether observation is suitable, and whether removal of the cyst and associated gland is needed.
Frequently asked questions
Could this symptom have more than one cause?
Yes. An examination distinguishes the involved tissue and selects treatment for that cause.
What information should I note before an appointment?
Record when it began, triggers, duration, visible changes, and any swelling, bleeding, fever, or drainage.

