Winter Nosebleeds: Why They Happen and How to Stop Them the Right Way

Winter is nosebleed season for a lot of people. If you or your child have noticed more nosebleeds since the heat came on, you are not imagining it. Cold weather and heated indoor air dry out the delicate lining inside the nose, making it much easier for a small blood vessel to break.

The good news is that most nosebleeds, especially in children, look scary but are not dangerous. This guide covers why winter makes nosebleeds more common, the first aid steps that actually work (a few are the opposite of what most people were taught), how to prevent them, and the warning signs that mean it's time to call a doctor.

Why Winter Makes Nosebleeds More Likely

The inside of the nose is lined with a thin, moist layer of tissue packed with small blood vessels sitting close to the surface. That lining depends on humidity to stay flexible and intact. Indoor heating systems pull moisture out of the air, and cold outdoor air holds less moisture to begin with. The result is a nasal lining that gets dry, cracked and more prone to bleeding with even minor irritation, like rubbing, blowing or picking.

Winter also brings more colds and sinus infections, which means more nose blowing and more irritation. Add in over-the-counter decongestant sprays or steroid nasal sprays used too often, or aimed at the wrong part of the nose, and the lining gets even more irritated. This combination of dry air, more colds, and more nose blowing is why nosebleeds become so much more common every winter.

Anterior vs. Posterior Nosebleeds: What's the Difference

Not all nosebleeds are the same, and knowing the difference helps explain why some stop quickly with pressure and others do not.

Anterior nosebleeds start at the front of the nose, from small vessels on the septum, the wall between the nostrils. These make up the large majority of nosebleeds, especially in children and during dry winter months. In fact, nosebleeds are extremely common in children and are almost always harmless, even though a bloody pillowcase or shirt can look alarming. Anterior nosebleeds usually respond well to the first aid steps below.

Posterior nosebleeds start further back, deeper in the nasal passage, often from a larger vessel. They are less common and tend to occur more in older adults, people with high blood pressure, and people taking blood thinners. Posterior nosebleeds can bleed more heavily, may drain down the throat instead of out the front, and are less likely to stop with pressure alone. These usually need evaluation in an emergency room or by an ENT.

The Right Way to Stop a Nosebleed

Many people were taught the wrong technique as kids. Here is what actually works.

• Sit up and lean forward, not back. Leaning back lets blood run down the throat, which can cause choking, coughing, or an upset stomach.
• Pinch the soft, fleshy part of the nose, not the bony bridge. Squeeze just below where the bone ends, holding both nostrils closed.
• Hold steady pressure for a full 10 to 15 minutes without letting go to check. Checking too soon interrupts clot formation and can restart the bleeding.
• Breathe through your mouth while you wait.
• Do not pack tissue, cotton, or gauze up the nostril. It can scrape the healing lining and cause fresh bleeding when it is removed.
• A cold compress on the bridge of the nose or back of the neck can help but is not a substitute for direct pressure.
• Once the bleeding stops, avoid blowing the nose, bending over, or heavy lifting for several hours so the clot can hold.

Preventing Nosebleeds This Winter

A few simple habits make a real difference during heating season.

• Run a humidifier in the bedroom, especially overnight when the heat is running.
• Use a saline nasal spray or gel a few times a day to keep the lining moist.
• Apply a thin layer of petroleum jelly just inside the nostrils, especially at bedtime.
• If you use a steroid nasal spray, aim it slightly outward, toward the ear on the same side, away from the septum. Spraying straight across can dry and irritate the vessels in the middle of the nose.
• Keep children's fingernails trimmed short, since picking is a common cause of childhood nosebleeds.
• Treat colds and allergies promptly to cut down on nose blowing and irritation.

When to Call a Doctor or Go to the ER

Most nosebleeds stop on their own with the steps above. Seek medical care right away if any of the following apply.

• Bleeding continues for more than 20 to 30 minutes despite correct, steady pressure
• The bleeding is heavy or gushing rather than a slow trickle
• You take a blood thinner, such as warfarin, apixaban, rivaroxaban, or aspirin, or have a bleeding disorder
• The nosebleed follows a facial injury or head trauma
• You feel lightheaded, dizzy, or unusually weak
• Nosebleeds keep coming back, especially from the same side, over a short period of time

How an ENT Can Help

If nosebleeds are frequent, heavy, or hard to stop, an ENT can do more than wait it out. Using a nasal endoscope, we can look closely at the lining to find the specific vessel or area that is bleeding. If a source is identified, it can often be sealed in the office using cautery, a quick procedure that uses heat or a chemical called silver nitrate to close the vessel. We can also look for and treat underlying causes, such as a deviated septum, chronic dryness, or medication effects, that make nosebleeds more likely to return.

If winter nosebleeds keep interrupting your family's routine, or if you have noticed any of the warning signs above, ENT Specialists is here to help. Our team can examine the nose, identify the source of bleeding, and recommend care tailored to you or your child. We see patients at our offices in Brockton, Dedham, Plainville, and Taunton, Massachusetts.