Gum inflammation, or gingivitis, is reversible with consistent care. If your gums are red, swollen, or bleed when you brush, the underlying cause is almost always a buildup of bacterial film along and below the gumline. The good news: with the right daily routine, inflamed gums can recover in as little as one to two weeks.
Why Your Gums Are Inflamed
Bacteria naturally accumulate on your teeth throughout the day, forming a sticky film called plaque. When plaque sits undisturbed along the gumline, your immune system responds with inflammation: redness, swelling, and bleeding. At this stage, the inflammation is confined to the gum tissue itself. No bone or deeper tissue has been damaged, which is why the condition is fully reversible.
Left untreated, that inflammation can progress to periodontitis, where the supporting bone around your teeth begins to break down. Once bone is lost, it doesn’t grow back on its own. The goal of everything below is to stop the process while it’s still at the reversible stage.
Brush More Effectively
The single most important thing you can do is remove plaque from the gumline twice a day. Angle your toothbrush bristles at about 45 degrees toward the gums and use short, gentle strokes rather than scrubbing side to side. Aggressive brushing doesn’t clean better; it irritates already-swollen tissue.
If you’re using a manual toothbrush, consider switching to an oscillating-rotating electric brush. A meta-analysis comparing toothbrush types found that oscillating-rotating brushes reduced bleeding sites by 52% more than manual brushes and 29% more than sonic brushes. That’s a significant difference from simply changing the tool in your hand. Brush for a full two minutes, spending equal time on all four quadrants of your mouth. Replace the brush head every three months, or sooner if the bristles are frayed.
Clean Between Your Teeth Daily
A toothbrush can’t reach the tight spaces between teeth where plaque readily builds up. Flossing, interdental brushes, or a water flosser fills that gap. If your gums bleed when you floss, that’s a sign of existing inflammation, not a reason to stop. The bleeding typically decreases within a week or so of consistent daily use as the tissue heals.
Interdental brushes (the small, bristled picks sized to fit between teeth) are particularly effective for people with gaps large enough to accommodate them. A water flosser is a good alternative if traditional floss is difficult to manage or if you have braces or dental work that makes string floss impractical.
Use a Salt Water Rinse
A warm salt water rinse can help reduce swelling and bacterial load in the short term. Mix one teaspoon of salt into eight ounces of warm water. If your gums are very tender and the solution stings, drop to half a teaspoon for the first day or two. Swish for about 30 seconds and spit it out. You can do this two to three times a day, but avoid overdoing it, as too-frequent rinses or swallowing the solution can lead to dehydration.
Salt water is a helpful supplement to brushing and flossing, not a replacement. It won’t remove the sticky plaque that’s driving the inflammation in the first place.
Medicated Mouthwash for Stubborn Cases
For more persistent gum inflammation, your dentist may recommend a prescription-strength antibacterial mouthwash containing chlorhexidine. It’s highly effective at killing the bacteria responsible for gum disease. The key limitation: it can stain your teeth brown if used for more than about four weeks, so it’s meant as a short-term treatment rather than a permanent addition to your routine.
Over-the-counter antiseptic mouthwashes with cetylpyridinium chloride are a milder option for ongoing use. They reduce bacterial counts without the staining risk, though they’re less potent than chlorhexidine.
Check Your Vitamin C Intake
Bleeding gums aren’t always just about oral hygiene. Research from the University of Washington found that low vitamin C levels in the bloodstream are directly associated with a greater tendency for gums to bleed on gentle probing. Importantly, increasing vitamin C intake in people with low levels helped reverse the bleeding. The researchers noted that current vitamin C recommendations, designed primarily to prevent scurvy, may be too low to protect against this subtler bleeding tendency.
You don’t necessarily need a supplement. Citrus fruits, bell peppers, strawberries, broccoli, and kiwi are all rich sources. If your diet has been light on fruits and vegetables, adding a few daily servings may make a noticeable difference in how your gums respond over the coming weeks.
Get a Professional Cleaning
If plaque has hardened into tarite (calculus), no amount of brushing at home will remove it. Tartar forms a rough surface that traps more bacteria and keeps gum tissue inflamed. A dental hygienist removes tartar with specialized instruments during a routine cleaning.
When inflammation has progressed and the pockets between your gums and teeth have deepened beyond the normal range of about three millimeters, a deeper cleaning called scaling and root planing may be needed. This involves cleaning below the gumline and smoothing the root surfaces so the gum tissue can reattach more tightly. The procedure is typically done with local anesthesia and may be split across two visits. Afterward, your gums will be tender for a few days, but the inflammation should steadily improve.
How Long Recovery Takes
With consistent daily brushing, flossing, and rinsing, mild gingivitis can begin improving within days. According to Harvard Health, more extensive gingivitis may need up to two weeks for the gum tissue to fully recover. You’ll notice the changes in stages: bleeding stops first, then the redness fades, and finally the puffiness resolves as the tissue tightens back against the teeth.
The catch is that “recovery” requires ongoing effort. Plaque starts reforming within hours of brushing, so the moment you slack off, inflammation can return. Think of your oral hygiene routine less as a treatment and more as ongoing maintenance.
Signs That Need Prompt Attention
Most gum inflammation responds well to the steps above. However, certain symptoms signal something more serious. Throbbing pain combined with a visible swelling or lump on the gum tissue can indicate a periodontal abscess, which needs drainage by a dentist within 24 hours. If the affected tooth feels loose or is painful when you tap on it, that reinforces the urgency.
More concerning is when infection spreads into surrounding tissues, causing diffuse, tense swelling in the face or jaw, swollen lymph nodes, or fever. This type of spreading infection (cellulitis) can compromise the airway if it extends into the deeper spaces of the head and neck. Worsening swelling or difficulty swallowing warrants emergency care, not a wait-and-see approach.