Swollen gums most often respond to a combination of thorough cleaning and simple at-home treatments like saltwater rinses, cold compresses, and OTC pain-relieving gels. The right approach depends on what’s causing the swelling, but most people can get meaningful relief within a few days using remedies they already have at home.
Why Your Gums Are Swollen
The most common cause of gum swelling is plaque buildup from incomplete brushing or flossing. When bacteria collect along the gumline, the tissue becomes tender, red, and puffy, and it bleeds easily. This is early-stage gum disease (gingivitis), and it’s reversible with better oral hygiene.
Other triggers include hormonal shifts during pregnancy, vitamin deficiencies (especially vitamin C, B12, and folic acid), and certain medications. Blood pressure drugs called calcium channel blockers, the seizure medication phenytoin, and the immune-suppressing drug cyclosporine are the most common culprits. About half of people on long-term phenytoin develop noticeable gum enlargement. If your swelling started after beginning a new medication, that connection is worth raising with your prescriber.
Sometimes swollen gums signal something more urgent, like an abscess. If you have a fever along with facial swelling, or if you’re having trouble breathing or swallowing, go to an emergency room. Those symptoms suggest the infection may be spreading into deeper tissues.
Saltwater Rinse
A warm saltwater rinse is the simplest and most widely recommended first step. Mix 1 teaspoon of salt into 8 ounces of warm water until it dissolves completely. Swish it around your mouth for 15 to 30 seconds, then spit it out. You can do this up to four times a day, including after meals. Salt draws fluid out of inflamed tissue and creates an environment that’s harder for bacteria to thrive in. Most people notice some improvement in tenderness within a day or two.
Cold Compress
If your swelling is visible on the outside of your face or jaw, a cold compress helps. Place ice or a cold pack against the outside of your cheek for 10 to 20 minutes at a time, with a thin cloth between the ice and your skin. Cold narrows blood vessels in the area, which reduces both swelling and pain. You can repeat this several times throughout the day, giving your skin a break between sessions.
OTC Numbing Gels
Benzocaine gels and ointments, available at any pharmacy, can temporarily numb sore gum tissue. You apply a small amount directly to the swollen area. Adults and children over 2 can use these up to four times a day, but limit use to two days at most without professional guidance. These products don’t treat the underlying cause, so they work best as short-term pain relief while you address what’s actually going on. Do not use benzocaine products on children under 2.
Hydrogen Peroxide Rinse
A diluted hydrogen peroxide rinse can help kill bacteria and reduce inflammation. Start with the standard 3% hydrogen peroxide sold in brown bottles at drugstores, then mix equal parts peroxide and water to bring it down to 1.5%. Swish gently for 30 seconds and spit it out completely. Never swallow hydrogen peroxide, even diluted. Some people notice mild redness or irritation in the mouth after rinsing, so if that happens, cut back to once a day or stop using it.
Aloe Vera and Herbal Options
Aloe vera has the strongest evidence among herbal options for gum inflammation. A compound in aloe vera called acemannan stimulates tissue repair and reduces the release of inflammatory signals in the body. In clinical trials, an aloe vera mouthwash performed as well as prescription-strength antiseptic rinse at reducing plaque and gum inflammation, with the added benefit of less tooth staining. You can find aloe vera oral gels and rinses at most health food stores. Apply the gel directly to the swollen area or use an aloe-based mouthwash after brushing.
Better Brushing and Flossing
If plaque buildup is behind your swelling, no rinse or gel will fix the problem on its own. Brush twice a day with a soft-bristled toothbrush, angling the bristles toward your gumline at about 45 degrees. Floss at least once daily, curving the floss into a C-shape around each tooth and sliding it gently below the gumline. Swollen gums often bleed during flossing, which can feel alarming, but this typically improves within a week or two of consistent cleaning. If you find traditional floss difficult, a water flosser or interdental brushes work well as alternatives.
Prescription Antiseptic Rinse
When home remedies aren’t enough, dentists often prescribe a 0.12% chlorhexidine rinse. You use 15 milliliters (the cap serves as a measuring cup) twice daily, swishing for 30 seconds after brushing, morning and evening. Chlorhexidine is significantly more potent than anything available over the counter and kills a broad range of oral bacteria. The main downside is that it can stain teeth brown over time, so your dentist will likely want to see you for a professional cleaning every six months while you’re using it.
Nutritional Gaps That Cause Gum Problems
Vitamin C is essential for producing collagen, the protein that gives gum tissue its structure and strength. Even a mild deficiency can make gums sore and inflamed, and severe deficiency leads to scurvy, with bleeding gums and loose teeth. Adults need about 75 to 90 milligrams of vitamin C daily, easily covered by a single orange or a cup of strawberries.
Vitamin B12 deficiency can cause mouth ulcers and gum sensitivity, along with fatigue and tongue inflammation. Folic acid (vitamin B9) deficiency slows the production of new gum cells, leading to gingivitis and delayed healing. If your gum swelling keeps coming back despite good oral hygiene, a blood test can check whether a nutritional gap is contributing.
What Calls for Professional Treatment
Swelling that doesn’t improve after a week of home care, or that keeps getting worse, needs professional attention. A dentist can remove hardened plaque (tartar) that no amount of brushing will clear, drain an abscess if one has formed, and identify whether a medication or systemic condition is the root cause. If your swollen gums come with a fever, facial swelling that’s spreading, or pus, don’t wait on home remedies. These are signs of an active infection that may need antibiotics or drainage to resolve safely.