Swollen gums usually respond well to a combination of home care and better oral hygiene habits. A saltwater rinse, cold compress, and anti-inflammatory pain reliever can bring noticeable relief within a day or two. But lasting improvement depends on identifying what’s causing the swelling in the first place, whether that’s plaque buildup, a hormonal shift, or something more serious like an infection.
Fast-Acting Home Remedies
A saltwater rinse is the simplest place to start. Mix half a teaspoon of salt into a cup of warm water, swish it around your mouth for 30 seconds, and spit it out. The salt draws fluid out of swollen tissue and creates an environment that’s harder for bacteria to thrive in. You can repeat this several times a day.
A diluted hydrogen peroxide rinse is another option. Start with the standard 3% hydrogen peroxide you’d find at any drugstore, then mix equal parts peroxide and water to bring it down to 1.5%. Swish gently and spit. Don’t swallow it, and don’t use it more than a few times per week, as overuse can irritate the tissue you’re trying to heal.
For pain and swelling together, alternate cold and warm compresses on the outside of your cheek near the affected area. A cold pack or bag of frozen vegetables reduces inflammation, while a warm (not hot) compress increases blood flow and helps with soreness. Switching between the two tends to work better than using either one alone.
Over-the-counter ibuprofen is effective for dental inflammation specifically. The standard adult dose is 400 milligrams every four to six hours as needed. It works both as a painkiller and an anti-inflammatory, which makes it more useful for swollen gums than acetaminophen, which only addresses pain.
Improve Your Daily Oral Care Routine
Most gum swelling traces back to gingivitis, the earliest stage of gum disease, which is caused by plaque irritating the gumline. If your brushing or flossing routine has gaps, fixing them is the single most effective thing you can do.
Use a soft-bristled toothbrush and brush gently along the gumline twice a day. Hard bristles or aggressive scrubbing can damage already inflamed tissue and make swelling worse. Floss daily, working the floss in a C-shape around each tooth and sliding it just below the gumline. If traditional floss is too painful on swollen gums, a water flosser is a gentler alternative that still clears bacteria from between teeth. An antiseptic mouthwash can help reduce bacterial load, but it’s a supplement to brushing and flossing, not a replacement.
Consistency matters more than intensity. Gums that are swollen from plaque buildup often start improving within a week or two of better daily care.
Common Causes of Gum Swelling
Understanding why your gums are swollen helps you target the right fix. Plaque-driven gingivitis is the most common cause, but it’s not the only one.
Hormonal changes during pregnancy make gums significantly more sensitive to plaque bacteria. Rising levels of estrogen and progesterone change how your body reacts to the bacterial film on your teeth, making gums more prone to inflammation and infection even if your hygiene hasn’t changed. This is common enough to have its own name: pregnancy gingivitis. It typically peaks in the second trimester and resolves after delivery, but keeping up with dental cleanings during pregnancy helps prevent it from progressing.
Several types of medication can cause gum overgrowth as a side effect. Phenytoin (an anti-seizure drug) is the most widely recognized culprit. Calcium channel blockers used for blood pressure, particularly nifedipine, diltiazem, verapamil, and amlodipine, are also common triggers. The immunosuppressant cyclosporine carries the same risk. If you started a new medication before the swelling appeared, that connection is worth raising with your prescriber. Stopping or switching the drug often reverses the overgrowth, but that’s a decision to make with your doctor.
Vitamin deficiencies, particularly vitamins C and K, can also contribute to swollen, bleeding gums. Ill-fitting dentures or braces that rub against the gums are another mechanical cause that’s easy to overlook.
Signs That Need Professional Attention
Most gum swelling is manageable at home, but certain signs point to something that needs a dentist’s involvement sooner rather than later.
A gum abscess looks like a raised bump or pimple on the gum, often darker in color than the surrounding tissue. It may or may not be painful. Other signs include a persistent bad taste in your mouth, bad breath that doesn’t respond to brushing, and teeth that are suddenly sensitive to hot or cold. An untreated abscess isn’t just a local problem. The infection can spread to other parts of your body, potentially leading to serious complications including blood infection, heart inflammation, or pneumonia. If you see a bump on your gums or suspect an abscess, contact a dentist promptly.
Swelling that lasts longer than two weeks despite good home care, gums that bleed heavily or spontaneously, and loose teeth are all reasons to get a professional evaluation. These can signal that gingivitis has progressed to periodontitis, a more advanced form of gum disease that involves bone loss and requires treatment beyond what you can do at home.
Professional Treatments for Persistent Swelling
A professional dental cleaning removes hardened plaque (tarite) that you can’t get rid of with a toothbrush. For mild gingivitis, a standard cleaning is often enough to turn things around. For more advanced gum disease, your dentist may recommend scaling and root planing, a deeper cleaning done under local anesthetic that smooths the root surfaces of your teeth so gums can reattach more tightly. Most people need two visits, and gums feel tender for a few days afterward but heal quickly.
If medication is causing the swelling and switching drugs isn’t an option, meticulous oral hygiene and more frequent dental cleanings (every three to four months instead of every six) can keep the overgrowth under control. In severe cases, a minor surgical procedure can remove the excess gum tissue, though the overgrowth may return if the medication continues.