Knowledge

Will a Tooth Infection Spread? The Signs That an Abscess Is Getting Worse

You have a dental abscess and are wondering whether it will spread. Some dental infections can become serious — very rarely life-threatening. Here is how to know if your infection is worsening and when to get help urgently.

You have a dental abscess and are wondering whether it will spread. Some dental infections can become serious — very rarely life-threatening. Here is how to know if your infection is worsening and when to get help urgently.


What a Dental Abscess Actually Is

A dental abscess is a pocket of pus caused by a bacterial infection. It usually forms at the root of a tooth or in the space between your teeth and gums. Your body is trying to wall off the infection, but it cannot always do this successfully on its own. This is why dental treatment is usually necessary.


Signs Your Infection Is Spreading

Watch for increasing swelling, especially if it spreads toward your eye, throat, or neck. Fever and chills mean your body is fighting a more widespread infection. Difficulty swallowing or breathing are red flags — these suggest the swelling is affecting your airway. Confusion or severe headache alongside a dental infection needs emergency care.


Facial Cellulitis Is Serious

When an abscess spreads into the soft tissues of your face, it causes cellulitis. This condition causes extensive swelling, warmth, and redness. It will not resolve on its own and requires strong antibiotics. If you notice swelling spreading across your cheek, jaw, or under your tongue, see a dentist or visit A and E immediately.


The Danger Zone Below the Eye and Above the Jaw

Infections in upper teeth can spread toward your eye or into the sinus cavities. Infections in lower teeth can track down toward the floor of your mouth and neck. Both areas are close to passages that affect breathing. Any swelling in these zones needs urgent professional assessment.


Ludwig Is Angina Is a Medical Emergency

This rare but serious infection starts in the floor of your mouth and causes massive swelling that pushes your tongue upward and can block your airway. It develops rapidly and can become life-threatening within hours. If your tongue seems swollen or pushed up, or you are having trouble breathing, go straight to hospital.


What to Do Right Now

Do not wait to see if a dental abscess gets better on its own. Contact your dentist for an emergency appointment. In the meantime, do not take antibiotics without a proper diagnosis — incomplete treatment can hide symptoms while the infection spreads. Get professional help before the situation becomes urgent.

Call 01323 723757 or book at www.meadsdental.com

Meads Village Dental Practice

Start with a conversation

You don’t need to know the right “type” of appointment. Tell us what you want to improve, what’s worrying you, and how to reach you — we’ll suggest the best starting booking.

Address

11 Meads Street, Eastbourne, BN20 7QY

Include preferred days/times if you can.

For urgent issues, call the practice.

© 2026 Meads Village Dental Practice

Back to top