Cheek and gum swelling
Cheek or gum swelling can come from dental infection, gum inflammation, trauma, or a blocked salivary duct and needs cause-based assessment.
The short answer
Cheek or gum swelling is commonly caused by inflammation or infection around a tooth or gum, although trauma, an ulcer, or a salivary-gland problem can also be responsible. Swelling with toothache, fever, pus, or difficulty swallowing needs prompt dental assessment.
What is the direct answer?
What does this question mean?
A dental abscess can collect beside a tooth root or within the gum, producing a tender lump and sometimes a bad taste. Diffuse cheek swelling may mean inflammation has spread beyond the tooth, while a firm painless lump after an injury has a different differential diagnosis.
What can you do next?
Rinse gently with warm salt water, keep the area clean, and use a cold pack outside the cheek for short periods if it reduces discomfort. Do not squeeze the swelling, place aspirin on the gum, or rely on leftover antibiotics, because these actions do not remove a dental source.
When should you seek dental care?
Arrange prompt care for swelling that is increasing, painful, recurrent, or associated with a damaged tooth. Seek emergency help for swelling around the eye or neck, fever with worsening illness, difficulty breathing or swallowing, or inability to open the mouth normally.
What should you ask the dentist?
Ask whether the swelling is from the tooth, gum, salivary tissue, or another structure and what examination or dental X-ray is needed. Ask whether drainage, root canal treatment, extraction, gum treatment, or another procedure addresses the cause.
Frequently asked questions
Can a swollen gum go away on its own?
Temporary irritation may settle, but swelling from a tooth infection usually needs treatment of the underlying tooth or gum source.
Should I use a warm compress?
A cold pack outside the cheek may ease discomfort; avoid applying heat directly when infection is possible.