Frequent Nosebleeds: Causes and When to See a Doctor

What causes nosebleeds to keep coming back?

Recurring nosebleeds in adults almost always come from the front of the nose — specifically a small area of densely packed blood vessels on the nasal septum called the Kiesselbach plexus. Several factors make this area prone to repeated bleeding:

Dry air and low humidity: When the air is dry (winter heating, desert climates, airplane cabins), the nasal lining loses moisture, becomes fragile, and small vessels break with minimal provocation. This is the single most common reason for recurrent nosebleeds.

Nose picking and irritation: Direct physical disruption of the nasal lining — picking, aggressive blowing, or inserting objects — creates small wounds that reopen before they have healed.

Nasal sprays: Overuse of decongestant nasal sprays (oxymetazoline, xylometazoline) can dry out and irritate the nasal mucosa. Corticosteroid nasal sprays, if not aimed correctly along the outer nasal wall, can also irritate the septum.

Blood-thinning medications: Aspirin, NSAIDs (ibuprofen, naproxen), warfarin, and newer anticoagulants do not cause nosebleeds directly but make them harder to stop and more likely to recur 1Ref 1Tunkel DE, Anne S, Payne SC, Ishman SL, Rosenfeld RM, et al. (2020).Clinical Practice Guideline: Nosebleed (Epistaxis) Executive Summary.Role of medication effects on epistaxis, cauterization as a treatment for recurrent nosebleeds, HHT as a cause of recurrent epistaxis, and posterior nosebleed management.

Allergic rhinitis: Chronic nasal inflammation from allergies increases tissue fragility and the urge to blow and rub the nose.

Can high blood pressure cause recurring nosebleeds?

The relationship between hypertension and nosebleeds is nuanced. People who arrive in urgent care with a nosebleed do tend to have higher blood pressure readings, but elevated blood pressure at the time of a nosebleed may reflect the stress response to bleeding rather than the underlying cause.

That said, poorly controlled high blood pressure appears to make some nosebleeds more difficult to control once they start. The AAO-HNS epistaxis guideline acknowledges this association 1Ref 1Tunkel DE, Anne S, Payne SC, Ishman SL, Rosenfeld RM, et al. (2020).Clinical Practice Guideline: Nosebleed (Epistaxis) Executive Summary.Role of medication effects on epistaxis, cauterization as a treatment for recurrent nosebleeds, HHT as a cause of recurrent epistaxis, and posterior nosebleed management. If you have frequent nosebleeds and your blood pressure has not been checked recently, a measurement is worthwhile — not because hypertension is definitively the cause, but because controlling it has independent cardiovascular benefit 2Ref 2Whelton PK, Carey RM, Aronow WS, et al. (2018).2017 ACC/AHA Guideline for the Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults.Independent cardiovascular benefit of blood pressure management, supporting the rationale for checking blood pressure in patients with recurrent nosebleeds and may contribute to easier-to-manage episodes.

Spontaneous nosebleeds are not a reliable sign of hypertensive urgency on their own, but a clinician should review your blood pressure and overall cardiovascular risk.

When do frequent nosebleeds suggest an underlying condition?

Most recurrent nosebleeds in adults have mundane causes (dry air, medication effects, local irritation). However, certain patterns or findings alongside the nosebleeds should prompt investigation:

Bleeding from multiple sites: If you also bruise easily without significant injury, bleed unusually with cuts or dental procedures, or notice blood in the urine, stool, or from the gums, this constellation suggests a systemic clotting or platelet problem.

Family history of bleeding disorders: Hereditary hemorrhagic telangiectasia (HHT) is a genetic condition 3Ref 3National Organization for Rare Disorders (NORD) (2023).Hereditary Hemorrhagic Telangiectasia.HHT as a genetic cause of recurrent nosebleeds, inherited in an autosomal dominant pattern, with epistaxis as a hallmark feature in up to 90–95% of affected individuals causing abnormal blood vessel formation, with recurrent nosebleeds as a hallmark feature. It is inherited and may be suspected when multiple family members have unexplained nosebleeds.

Nosebleeds that are unilateral and associated with other nasal symptoms: Nasal blockage on one side, facial pressure, pain, or changes in smell on one side alongside recurrent nosebleeds warrant examination to rule out a nasal mass or other structural issue.

Recent nasal trauma or surgery: Repeated bleeding at a predictable site following trauma or sinus surgery may indicate an area that needs cauterization or other local treatment.

What treatments help prevent recurring nosebleeds?

Depending on the underlying cause, several approaches can reduce frequency:

Humidification: A bedside humidifier, particularly in dry climates or during winter, keeps the nasal lining moist and reduces fragility. Target indoor humidity in the 40–50% range.

Nasal moisturizing: Applying a small amount of petroleum jelly, saline gel, or sesame oil to the inside of the nostrils daily helps maintain moisture in the Kiesselbach area. This simple measure is often underutilized and effective.

Nasal saline rinse or spray: Regular saline irrigation moisturizes the nasal mucosa and clears irritants.

Correcting nasal spray technique: Corticosteroid sprays should be aimed away from the septum — toward the outer nasal wall — to reduce direct irritation.

Reviewing medications with a clinician: If aspirin or another blood thinner is contributing to frequent nosebleeds, a clinician can discuss whether the dose or type can be adjusted — though never stop a prescribed anticoagulant without medical guidance.

Cauterization: A primary care clinician or ENT specialist can cauterize (seal) a visible bleeding vessel in the office using silver nitrate or electrocautery. This is often curative for recurrent bleeds from a specific identifiable vessel 1Ref 1Tunkel DE, Anne S, Payne SC, Ishman SL, Rosenfeld RM, et al. (2020).Clinical Practice Guideline: Nosebleed (Epistaxis) Executive Summary.Role of medication effects on epistaxis, cauterization as a treatment for recurrent nosebleeds, HHT as a cause of recurrent epistaxis, and posterior nosebleed management.

When should I see a doctor for recurring nosebleeds?

A primary care visit is appropriate when nosebleeds are occurring more than once a week, are difficult to control even with proper pressure technique, or are accompanied by any of the warning signs described above.

Your clinician will review your medications, check your blood pressure, and examine the inside of your nose. If a clear bleeding vessel is visible and accessible, cauterization can be done at that visit. If the cause is unclear, blood tests to evaluate clotting function and platelet counts may be ordered.

Referral to an ENT specialist is appropriate when: - Bleeding is posterior (from the back of the nose) or not easily visualized - Cauterization in primary care has not resolved recurrent bleeding - A structural abnormality or mass is suspected - Hereditary hemorrhagic telangiectasia is a possibility based on family history and clinical features 1Ref 1Tunkel DE, Anne S, Payne SC, Ishman SL, Rosenfeld RM, et al. (2020).Clinical Practice Guideline: Nosebleed (Epistaxis) Executive Summary.Role of medication effects on epistaxis, cauterization as a treatment for recurrent nosebleeds, HHT as a cause of recurrent epistaxis, and posterior nosebleed management

Gale's primary care clinicians can evaluate recurring nosebleeds, review contributing factors, and coordinate ENT referral when needed.

How do I protect my nasal lining to prevent the next nosebleed?

After a nosebleed, the healing nasal lining is particularly vulnerable to re-bleeding. For 24 to 48 hours after an episode:

• Avoid blowing the nose
• Avoid bending down or heavy lifting
• Sleep with the head slightly elevated
• Apply petroleum jelly gently to the nostril lining
• Stay in a humidified environment

For longer-term prevention, the nasal moisturizing habits described above are the most consistently helpful. Resist the urge to pick at any scab that forms inside the nose — the scab is part of healing, and removing it typically causes re-bleeding.