Bleeding from the nose - Causes, Treatment & When to See a Doctor

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What is Bleeding from the Nose?

Bleeding from the nose, medically known as epistaxis, is the loss of blood from the nasal cavity. Most episodes are minor and stop on their own, but some can be frequent, heavy, or linked to an underlying health problem. The nose contains a rich network of blood vessels that are close to the surface, making it a common site for bleeding when those vessels are injured or become fragile.

Epistaxis can be classified as:

• Anterior – originates from the front part of the nose (most common, usually less severe).
• Posterior – originates deeper in the nasal cavity, often linked with higher blood loss and may require medical intervention.

Understanding why a nosebleed occurs helps guide appropriate treatment and when professional care is needed.

Common Causes

Below are the most frequently encountered reasons for nosebleeds. Several causes may act together (e.g., dry air plus a minor trauma).

• Dry Air & Low Humidity – especially in winter or in air‑conditioned environments, the nasal mucosa dries out and cracks.
• Trauma – picking the nose, blowing it forcefully, or facial injuries.
• Upper Respiratory Infections – colds, sinusitis, and allergic rhinitis can inflame the fragile vessels.
• Medications – anticoagulants (warfarin, apixaban), antiplatelet agents (aspirin, clopidogrel), and nasal sprays containing steroids or decongestants.
• Systemic Bleeding Disorders – hemophilia, von Willebrand disease, or thrombocytopenia.
• Hypertension – high blood pressure can exacerbate bleeding, especially posterior nosebleeds.
• Structural Abnormalities – deviated septum, nasal polyps, or a perforated septum.
• Environmental Irritants – smoke, chemical fumes, or strong odors.
• Tumors & Neoplasms – benign (e.g., nasal angiofibroma) or malignant lesions that erode vessels.
• Hereditary Conditions – hereditary hemorrhagic telangiectasia (HHT) leads to fragile vessels in the nasal lining.

Associated Symptoms

Other signs often accompany a nosebleed and can give clues about the cause:

• Runny or congested nose
• Sneezing or itching (allergy‑related)
• Facial pain or pressure (sinus infection)
• Bruising easily or petechiae (possible clotting disorder)
• Frequent headaches
• Chest pain, shortness of breath, or palpitations (if an underlying cardiac issue or severe blood loss)
• Blood in the throat or vomiting of blood (suggests posterior bleed)
• Fever, chills, or night sweats (possible infection or tumor)

When to See a Doctor

Most nosebleeds are harmless, but you should schedule a medical appointment if any of the following apply:

• Bleeding lasts longer than 20‑30 minutes despite applying direct pressure.
• Bleeding recurs more than twice a week.
• You need to replace a large amount of blood (e.g., >1 tablespoon) or you feel dizzy/faint.
• History of bleeding disorders or you are on blood‑thinning medication.
• Accompanying symptoms such as severe headache, facial swelling, vision changes, or difficulty breathing.
• Recent facial trauma or a suspected fracture.
• Suspicion of a tumor (persistent unilateral bleeding, unilateral nasal obstruction, or a visible mass).

Diagnosis

Evaluation aims to identify the bleeding source, rule out serious underlying conditions, and guide treatment.

History

• Onset, frequency, and duration of bleeds.
• Recent injuries, medication list (including over‑the‑counter nasal sprays), and medical conditions.
• Family history of bleeding disorders or hereditary telangiectasia.

Physical Examination

• Inspection of the nostrils with a light source; an otolaryngologist may use a nasal speculum.
• Locate anterior bleed (often at Kiesselbach’s plexus) vs. posterior bleed (sphenopalatine artery region).
• Check blood pressure, heart rate, and signs of anemia.

Investigations

• Complete Blood Count (CBC) – evaluates anemia and platelet count.
• Coagulation Profile (PT/INR, aPTT) – screens for clotting abnormalities.
• Imaging – CT scan or MRI if a tumor, sinus disease, or fracture is suspected.
• Endoscopic Examination – flexible nasendoscopy for posterior bleeds or to visualize lesions.

Treatment Options

Treatment ranges from simple home measures to procedural interventions.

Initial Home Care (First‑Aid)

1. Stay Calm – anxiety can raise blood pressure.
2. Sit upright and lean forward – prevents blood from flowing down the throat.
3. Pinch the soft part of the nose (just below the bridge) for 10–15 minutes with steady pressure.
4. Apply a cold compress to the nasal bridge to cause vasoconstriction.
5. After bleeding stops, keep the nostrils moist with saline spray or a thin layer of petroleum jelly.

Medical Interventions

• Cauterization – chemical (silver nitrate) or electrical cautery of identified bleeding vessels, often for recurrent anterior bleeds.
• Anterior Nasal Packing – gauze, foam, or specialized tampon placed in the nose to tamponade bleeding; typically removed after 24‑48 hours.
• Posterior Packing or Balloon Catheter – used for posterior bleeds; may require hospital admission.
• Embolization – interventional radiology technique to block the sphenopalatine artery; reserved for severe, refractory posterior bleeds.
• Medication Adjustment – reviewing anticoagulant dosage, switching to alternative agents, or using vitamin K/FFP if a coagulopathy is identified.
• Treatment of Underlying Causes – antibiotics for sinus infection, antihistamines for allergies, blood pressure control for hypertension.

When to Use Professional Care

If home pressure does not stop the bleed, or if the bleed is heavy, recurrent, or associated with concerning symptoms, seek urgent medical attention. In the emergency department, clinicians may provide rapid packing, cautery, or arrange for specialist ENT evaluation.

Prevention Tips

Most nosebleeds can be avoided with simple lifestyle adjustments and environmental controls.

• Humidify Indoor Air – use a humidifier, especially in winter or in dry climates.
• Keep Nasal Mucosa Moist – apply saline spray 2–3 times daily; a thin layer of petroleum jelly or nasal moisturizers before bed.
• Gentle Nose Care – avoid picking or forcefully blowing the nose; use soft tissues.
• Control Allergies – antihistamines, nasal steroids, or saline rinses reduce inflammation.
• Manage Blood Pressure – regular monitoring, diet low in sodium, exercise, and medication adherence.
• Review Medications – discuss with your physician whether any blood‑thinners or nasal sprays could be contributing.
• Protect from Trauma – wear protective gear during sports; be cautious with facial impacts.
• Stay Hydrated – adequate fluid intake helps keep mucous membranes hydrated.
• Quit Smoking – tobacco irritates nasal lining and impairs healing.

Emergency Warning Signs

Key Takeaways

Bleeding from the nose is common and usually benign, but it can signal an underlying condition that needs attention. Most episodes resolve with simple first‑aid measures, while persistent, heavy, or recurrent bleeds warrant professional evaluation. Maintaining nasal moisture, controlling air humidity, and managing systemic risk factors such as hypertension or anticoagulant use significantly reduce the likelihood of future episodes. When in doubt, especially if warning signs appear, prompt medical assessment is essential to prevent complications.

References:

• Mayo Clinic. “Nosebleeds (epistaxis).” mayoclinic.org.
• American Academy of Otolaryngology–Head and Neck Surgery. “Nosebleeds (Epistaxis) Clinical Practice Guideline.” 2023.
• National Heart, Lung, and Blood Institute. “Bleeding Disorders.” NIH, 2022.
• Cleveland Clinic. “Epistaxis: Causes and Treatment.” 2024.
• World Health Organization. “Guidelines on the Management of Hypertension.” 2021.

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