Frequency Of Nosebleeds

What Causes Frequent Nosebleeds?

Frequent nosebleeds can have various causes, ranging in severity from 'minor' to 'life-threatening'.  Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.

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Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms.  In order to diagnose frequent nosebleeds, we could:

  • Research the topic
  • Find a doctor with the time
  • Use a diagnostic computer system.
The process is the same, whichever method is used.

Step 1: List all Possible Causes

We begin by identifying the disease conditions which have "frequent nosebleeds" as a symptom.  Here are eight of many possibilities (more below):
  • Vasomotor Rhinitis
  • Hay Fever
  • Indoor Allergies
  • Lupus (SLE)
  • Cocaine Addiction
  • Hypertension
  • Alcohol Consequences
  • Sinusitis

Step 2: Build a Symptom Checklist

We then identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
blood pressure-lowering drug use
cigarette smoke sensitivity
recent onset hypertension
significant diesel exhaust exposure
non-vaginal candidiasis
sensitivity to bright light
highly elevated ANA levels
significant chest pain
allergies in family members
lupus
sound of blood rushing in both ears
having excess body fat
... and more than 50 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of frequent nosebleeds:
Cause Probability Status
Sinusitis 92% Confirm
Indoor Allergies 23% Unlikely
Alcohol Consequences 19% Unlikely
Hay Fever 2% Ruled out
Cocaine Addiction 0% Ruled out
Hypertension 0% Ruled out
Vasomotor Rhinitis 0% Ruled out
Lupus (SLE) 0% Ruled out
* This is a simple example to illustrate the process

Arriving at a Correct Diagnosis

The Analyst™ is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.

In the Nose/Smell Symptoms section of the questionnaire, The Analyst™ will ask the following question about frequency of nosebleeds:
Roughly how often do you get nosebleeds?
Possible responses:
→ Never / rarely / don't know
→ Once or twice per year
→ 3-6 times per year
→ More than 6 times per year
Based on your response to this question, which may indicate occasional nosebleeds, regular nosebleeds or frequent nosebleeds, The Analyst™ will consider possibilities such as:
Hypertension (High Blood Pressure)

It is a common misconception that nosebleeds are often caused by high blood pressure.  Though a high intracapillary pressure may slightly increase risk, it is not a significant cause.

Sinusitis

Either acute or chronic sinusitis can cause nosebleeds in some individuals.

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