Read below about nose bleed that started spontaneously, including causes and common questions. Or get a personalized analysis of your nose bleed that started spontaneously from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

This symptom can also be referred to as:
Bloody nose for no reason

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A.I. Health Assistant Causes for Nose Bleed That Started Spontaneously

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced nose bleed that started spontaneously. This list does not constitute medical advice.

  1. 1.Normal Nosebleed (Epistaxis)

    A bloody nose can be caused by a host of things, but is often idiopathic (without cause).

    1 day

    Rarity:
    Common
    Top Symptoms:
    bloody nose, vomiting with streaks of blood
    Symptoms that always occur with normal nosebleed (epistaxis):
    bloody nose
    Symptoms that never occur with normal nosebleed (epistaxis):
    severe nosebleed, nausea or vomiting
    Urgency:
    Self-treatment
  2. 2.Hemophilia a

    Hemophilia A is an inherited (genetic) disorder which causes the blood to have a deficiency or absence of coagulation factor VIII, which is a protein that is needed to create blood clots. This can result in bleeding that starts on its own, or uncontrollable bleeding after trauma or surgery.

    Lifelong condition.

    Rarity:
    Rare
    Top Symptoms:
    spontaneous shoulder pain, difficulty moving the shoulder, rectal bleeding, unexplained/excessive bleeding from cuts or wounds, pink/blood-tinged urine
    Symptoms that always occur with hemophilia a:
    unexplained/excessive bleeding from cuts or wounds
    Urgency:
    Primary care doctor
  3. 3.Chronic Allergies

    Allergies are an overreaction by the immune system to something that does not bother most other people. Many people who have allergies are sensitive to pollen, but other things such as dust mites, animal dander, cockroaches, and mold can also cause a reaction.

    Seasonal

    Rarity:
    Common
    Top Symptoms:
    fatigue, irritability, trouble sleeping, runny nose, congestion
    Symptoms that never occur with chronic allergies:
    fever, yellow-green runny nose, chills, muscle aches
    Urgency:
    Self-treatment
  4. 4.Side - Effect(s) of Chemotherapy

    Unfortunately, chemotherapy has many side-effects, ranging from hair loss to fatigue to nausea. This occurs because the treatment affects not only diseased cells but also healthy cells.

    This is likely to last the duration of your treatment; however, symptoms can be managed with other medications.

    Rarity:
    Uncommon
    Top Symptoms:
    fatigue, loss of appetite, arthralgias or myalgias, dizziness, sore throat
    Symptoms that never occur with side-effect(s) of chemotherapy:
    headache resulting from a head injury
    Urgency:
    Primary care doctor
  5. 5.Blood Issue That Needs Further Testing

    Your blood cells form in your bone marrow. Sometimes, the bone marrow produces abnormal cells. These cells can crowd out the healthy blood cells, making it hard for blood to do its work.

    Dependent on the tests

    Rarity:
    Rare
    Top Symptoms:
    fatigue, nausea, shortness of breath, muscle aches, fever
    Urgency:
    In-person visit

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  6. 6.Immune Thrombocytopenia

    Platelets are tiny cells in the blood that help form blood clots and seal minor cuts and wounds. Immune thrombocytopenia, also known as immune thrombocytopenic purpura (ITP), is a condition where there are not enough platelets in the blood, causing easy bruising and tiny reddish purple dots on the skin from bleeding under the surface.

    This is a complex condition that requires consultation from a doctor to determine its course.

    Rarity:
    Rare
    Top Symptoms:
    being severely ill, rectal bleeding, red stool, unexplained/excessive bleeding from cuts or wounds, unexplained bruising
    Symptoms that always occur with immune thrombocytopenia:
    being severely ill
    Urgency:
    Primary care doctor
  7. 7.Head and Neck Cancer

    There are five main types of head and neck cancer, which are all named according to the part of the body where they develop: laryngeal (voice box), nasal cavity and sinus, nasopharyngeal (air passage way behind the nose), oral (mouth), and salivary gland cancers. Most of these cancers are squamous cell carcinomas (SCCs), meaning they begin in the flat (squamous) cells that make up the thin surface layer of the structures in the head and neck.

    Head and neck cancers span different types of cancer with variable prognosis so a consultation with an oncologist is required to determine outlook.

    Rarity:
    Rare
    Top Symptoms:
    loss of appetite, unintentional weight loss, hoarse voice, neck bump, ear canal pain
    Urgency:
    Primary care doctor
  8. 8.Gaucher's Disease

    Gaucher's disease is the result of a buildup of certain fatty substances in certain organs, particularly the spleen and liver. This causes these organs to become much larger than normal and can affect their function.

    Indefinite

    Rarity:
    Rare
    Top Symptoms:
    joint pain, spontaneous bone pain, thigh pain, hip pain that comes and goes, fever
    Urgency:
    Primary care doctor
  9. 9.Hypertensive Crisis

    A hypertensive crisis occurs with when there is a severe increase in blood pressure. In some cases, this causes damage to the organs.

    Recovery is dependent on severity of illness and treatment type.

    Rarity:
    Rare
    Top Symptoms:
    headache, nausea or vomiting, chest pain, being severely ill, dizziness
    Symptoms that never occur with hypertensive crisis:
    chest pain that is worse when breathing
    Urgency:
    Emergency medical service
  10. 10.Osler - Weber - Rendu Syndrome (Hereditary Hemorrhagic Telangiectasia)

    Hereditary Hemorrhagic Telangiectasia is a genetic disorder that leads to abnormal blood vessel formations all over your body, causing bleeding.

    Life long

    Rarity:
    Ultra rare
    Top Symptoms:
    nose bleed that started spontaneously, small, dilated capillaries, red rash
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Nose Bleed That Started Spontaneously

  • Q.Do you have any issues with bruising?
  • Q.Have you experienced any nausea?
  • Q.Have you ever been diagnosed with cancer?
  • Q.Do you have an object stuck in your nose?

If you've answered yes to one or more of these questions, try our nose bleed that started spontaneously symptom checker to find out more.

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Nose Bleed That Started Spontaneously Symptom Checker Statistics

  • People who have experienced nose bleed that started spontaneously have also experienced:

    • 6% Headache
    • 5% Fatigue
    • 3% Nausea
  • People who have experienced nose bleed that started spontaneously had symptoms persist for:

    • 56% Less Than a Day
    • 17% Less Than a Week
    • 14% Over a Month
  • People who have experienced nose bleed that started spontaneously were most often matched with:

    • 60% Hemophilia a
    • 20% Normal Nosebleed (Epistaxis)
    • 20% Chronic Allergies
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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