What can a blood blister above a tooth indicate?
A blood-filled blister above a tooth is usually irritated gum tissue, but an abscess can look similar and needs examination.
What can cause a red or purple spot above a tooth?
Trauma, a sharp tooth edge, gum inflammation, and a draining tooth infection can produce a raised red or purple spot.
How should you protect a blood blister above your tooth?
Do not pop it. Rinse gently, use a soft toothbrush, and arrange an examination if it is painful, recurrent, or associated with pus, toothache, or swelling.
When can a blister above a tooth signal urgent trouble?
Seek urgent help for facial swelling, fever, or difficulty swallowing or breathing.
What should you ask about a blister above your tooth?
Ask what is causing the finding, which examination or tests are needed, and which treatment addresses the cause.
Frequently asked questions
What is the main thing to know?
Trauma, a sharp tooth edge, gum inflammation, and a draining tooth infection can produce a raised red or purple spot.
When should I arrange care?
Seek urgent help for facial swelling, fever, or difficulty swallowing or breathing.
Who wrote this page
This library is published by Dental Nation, a licensed dental group practising in the United Arab Emirates. Pages are written and overseen by the same clinical team that treats patients in our clinics, and are held to a fixed editorial standard for safety and accuracy.
This page is patient education, not medical advice, and cannot replace an examination. Anything urgent — facial swelling, trauma, uncontrolled bleeding or severe pain — needs a dentist or emergency care now.

