You’re doing everything right. You brush twice a day. You floss regularly. And you even use mouthwash. So why do your gums still bleed? If this sounds familiar, you’re not alone. And bleeding gums are a sign that you need to keep flossing, not a sign that you should stop.
Let’s break down what’s actually happening in your mouth and when you should pick up the phone.

The Number One Myth About Bleeding Gums
Most people assume that if flossing makes their gums bleed, they must be flossing too hard or doing something wrong. So they stop. Or they floss more gently. Or they avoid the areas that bleed the most. That’s exactly the opposite of what you should do.
Your gums bleed because they’re inflamed. That inflammation is caused by plaque, a sticky film of bacteria that builds up along your gumline. When plaque sits there for more than 24 hours, your immune system sends blood and fluid to the area to fight the bacteria. That’s the inflammation. And when you floss, you’re disturbing that inflamed tissue, causing it to bleed.
The solution? Floss more consistently, not less. Within about a week of daily, proper flossing, most people see their bleeding stop. The inflammation subsides as the bacteria are disrupted daily.
Gingivitis vs. Periodontitis: What’s the Difference?
Bleeding gums are usually a sign of gingivitis. That’s the earliest stage of gum disease. Gingivitis is completely reversible with better home care and a professional cleaning.
If you ignore it, however, gingivitis can progress to periodontitis. That’s when inflammation spreads below the gumline and starts destroying the bone that holds your teeth in place. This bone loss is permanent. Teeth can loosen. And eventually, they can fall out.
So that little bit of pink in the sink? It’s your early warning system. It’s your gums saying, “Hey, pay attention to me now, before this gets harder to fix.”
Other Reasons Your Gums Might Bleed
While plaque buildup is the most common culprit, a few other things can cause bleeding gums:
- Your flossing technique: If you’re snapping the floss between your teeth or sawing back and forth aggressively, you can actually cut your gums. Proper technique is gentle; curve the floss into a C-shape around each tooth and slide it up and down against the tooth surface, not the gum tissue.
- Medications: Blood thinners, certain blood pressure medications, and even some allergy meds can make gums more likely to bleed.
- Pregnancy: Hormonal changes increase blood flow to your gums, making them more sensitive and prone to bleeding.
- A new flossing routine: If you haven’t flossed in a while and suddenly start, some bleeding is normal. It usually stops within a week as your gums get healthier.
When to Call Your Dentist
Here’s my simple rule: if your gums bleed for more than seven to ten days of consistent, gentle flossing, it’s time to schedule an appointment. And if you notice any of these warning signs, don’t wait:
- Gums that are red, swollen, or tender
- Pus between your teeth and gums
- Loose teeth
- Persistent bad breath
- Receding gums (teeth that look longer than before)
At Foxhall Smiles, we use laser detection not just for cavities but also to spot early inflammation between teeth. Our digital scans give us a detailed look at your gum health that we can show you right on the screen.
What Happens at Your Visit
If you come in for bleeding gums, we won’t lecture you. We know you’re trying. We’ll examine your gums, measure the spaces between your teeth and gums (called “pockets”), and check for signs of bone loss. Then we’ll give you a professional cleaning to remove the plaque and tartar that you can’t reach at home.
Dr. Catanzano will also show you exactly where you might be missing with your home care. Sometimes a small adjustment in technique makes all the difference.
Take the First Step
Bleeding gums are common. But they’re not normal. Call 202-315-2188 and schedule a gum health consultation. We’ll figure out what’s going on and get you back to flossing without the fear of what you’ll see in the sink.
