Swollen gums usually respond well to a combination of home care and improved oral hygiene, but the right approach depends on what’s causing the swelling. Gum disease (gingivitis) is the most common cause, and mild cases often improve within a week or two of consistent care. More serious causes, like an abscess or advanced gum disease, need professional treatment.
Why Your Gums Are Swollen
Gingivitis tops the list. It develops when bacterial plaque builds up along the gumline and triggers inflammation. Your gums may look puffy, feel tender, and bleed when you brush or floss. At this stage, no permanent damage has occurred, and the swelling is reversible with better oral hygiene.
Periodontitis is what happens when gingivitis goes untreated. The infection moves deeper beneath the gumline, destroying the tissue and bone that hold your teeth in place. Swelling from periodontitis tends to be more persistent, and you may notice your gums pulling away from your teeth or teeth feeling loose.
A dental abscess, a pocket of pus caused by bacterial infection around a tooth or inside the tooth’s root, can cause sudden, localized swelling that’s often painful and warm to the touch. Sometimes something as simple as a popcorn hull or seed wedged under your gumline creates irritation that looks and feels like an infection but resolves once the debris is removed. Hormonal shifts during pregnancy also increase how aggressively your gums react to normal plaque levels, making swelling and bleeding more likely even with decent oral hygiene.
Home Care That Actually Helps
Start with a warm saltwater rinse: dissolve 1 teaspoon of salt in 8 ounces of warm water and swish gently for 30 seconds. If your gums are very tender, drop to half a teaspoon of salt for the first day or two. Do this two to three times a day. Saltwater draws fluid out of inflamed tissue and creates an environment that’s harder for bacteria to thrive in.
Brush twice a day with a soft-bristled toothbrush, angling the bristles toward the gumline at about 45 degrees. Hard or medium bristles can make swollen gums worse. Floss once daily, even if your gums bleed when you do. The bleeding typically decreases after a few days of consistent flossing as the inflammation starts to calm down. An antiseptic mouthwash can help reduce bacterial load, but it’s a supplement to brushing and flossing, not a replacement.
Managing Pain and Inflammation
Over-the-counter anti-inflammatory pain relievers like ibuprofen are your best option for reducing both pain and swelling. NSAIDs work by reducing inflammation directly at the site where it’s occurring, which makes them more effective for dental pain than acetaminophen alone. For mild gum pain, 200 to 400 mg of ibuprofen every four to six hours as needed is a reasonable starting point. A cold compress held against the outside of your cheek for 15 to 20 minutes can also help numb the area and reduce swelling.
When Swollen Gums Need Professional Treatment
If your gums are still swollen after two weeks of consistent home care, or if the swelling is getting worse rather than better, it’s time to see a dentist. Swelling that’s localized to one tooth, accompanied by a bad taste in your mouth, or producing visible pus likely points to an abscess that won’t resolve on its own.
For gingivitis that hasn’t responded to home care, or for periodontitis, dentists often recommend scaling and root planing. This is essentially a deep cleaning. Your gums are numbed with local anesthesia, and your dentist or hygienist uses hand instruments or ultrasonic tools to remove plaque and tartar both above and below the gumline. The root surfaces of your teeth are then smoothed down, which makes it harder for bacteria to reattach. In some cases, antibiotics are injected directly around the tooth roots or prescribed as oral medication after the procedure.
Most people experience some gum tenderness for a few days after scaling and root planing, but the swelling itself typically starts improving within a week as the tissue heals.
Red Flags That Need Urgent Attention
Certain symptoms alongside swollen gums signal that an infection may be spreading beyond the mouth. If you have a fever combined with facial swelling and can’t reach your dentist, go to an emergency room. Difficulty breathing or swallowing is especially serious, as these signs can mean the infection has moved deeper into the jaw, throat, or neck. Tender, swollen lymph nodes under your jaw or along your neck also suggest the infection is no longer localized.
Nutritional Factors Worth Checking
Low vitamin C levels are linked to increased gum bleeding and swelling, independent of oral hygiene habits. A large analysis combining 15 studies with over 1,100 people, plus CDC survey data from more than 8,200 people, found that low blood levels of vitamin C were associated with a higher risk of gums bleeding even with gentle probing. Severe deficiency (scurvy) causes widespread bleeding as one of its hallmark symptoms.
Adult men need about 90 mg of vitamin C daily, and women need 75 mg. If your diet is low in fruits and vegetables, bumping up your intake of foods like bell peppers, kiwis, oranges, and kale can help. A daily supplement of 100 to 200 mg is another option if dietary changes aren’t realistic.
Pregnancy and Swollen Gums
Pregnancy gingivitis is common and has multiple drivers. Rising hormone levels alter your immune response in ways that make gum tissue more reactive to the bacteria already in your mouth. Your body’s immune system also shifts to tolerate the pregnancy, which can leave periodontal tissue more vulnerable to inflammation. The key point: pregnancy hormones alone don’t cause gum problems. They amplify the effect of plaque that’s already there. This means diligent brushing, flossing, and regular dental cleanings during pregnancy can significantly reduce or prevent swelling.