How to Treat a Swollen Inside Cheek

A swollen inner cheek often causes discomfort and can interfere with routine activities like speaking or eating. While frequently painful, this swelling is generally temporary and localized, manageable with simple care at home. This guide provides practical steps for immediate relief and helps you understand when professional medical or dental attention is necessary.

Identifying the Source of Swelling

Determining the cause of the swelling is important, as different origins may require varied care strategies. The most common source is mechanical trauma, typically an accidental bite while chewing or speaking. This minor injury creates a localized wound, and the subsequent swelling can make the area more prone to being bitten again, slowing the healing process.

Another frequent cause is an oral lesion, such as an aphthous ulcer, commonly known as a canker sore. These sores are shallow, round or oval ulcers, often appearing on the soft tissues of the inner cheek. They typically have a white, yellow, or gray center and a distinct red border.

Swelling can also arise from constant friction or irritation caused by dental appliances, such as braces or ill-fitting retainers. More serious causes include a localized infection, like a dental abscess, which presents with severe, throbbing pain and sensitivity. A blockage or infection of a salivary gland can also cause swelling that worsens when eating.

Immediate At-Home Relief Strategies

For immediate relief and to promote healing, focus on hygiene, temperature therapy, and over-the-counter options. Maintaining a clean oral environment is important, and a warm salt water rinse is a simple tool for this purpose. Dissolve salt into warm water and gently swish the solution around the affected area for 30 seconds, repeating this two to three times daily.

Adding baking soda to the rinse can help neutralize acids and soothe inflamed tissue. For acute trauma, applying a cold compress to the outside of the cheek reduces inflammation and numbs the pain by constricting blood vessels. Sucking on ice chips provides a similar numbing effect directly to the internal swelling.

Over-the-counter topical gels containing mild anesthetics, such as benzocaine, can be dabbed directly onto the sore to temporarily ease pain. For generalized pain management and to reduce inflammation, systemic pain relievers like ibuprofen or acetaminophen may be taken as directed.

Dietary modification is an important strategy to prevent re-injury and irritation during the healing period. Temporarily avoid foods that can aggravate the delicate inner cheek tissue. Instead, consume soft, cool, or lukewarm foods that require minimal chewing, allowing the swollen area to recover.

Foods to Avoid

  • Hard foods
  • Crunchy foods
  • Spicy foods
  • Highly acidic foods
  • Very hot foods

Knowing When to Seek Professional Care

While most instances of inner cheek swelling resolve within a week, certain signs indicate the condition requires professional evaluation. A primary warning sign is swelling that begins to spread rapidly to the outside of the face, neck, or jawline, which can signal a serious infection like cellulitis or an abscess.

Difficulty breathing or trouble swallowing saliva is a medical emergency, requiring immediate attention, often in an emergency room setting. You should also seek professional care if the pain is severe or throbbing, especially if accompanied by systemic symptoms like a fever, which indicates a deeper infection.

Visible signs of a severe infection, such as pus, extreme redness, or a foul odor, are also red flags. Finally, if the swelling or a specific sore does not show improvement or persists beyond five to seven days, a professional dental examination is necessary to rule out underlying issues or to prescribe stronger, targeted treatments.