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):
  • Sinusitis
  • Nasal Polyps
  • Sarcoidosis
  • Alcohol Consequences
  • Hay Fever
  • Lupus (SLE)
  • Vasomotor Rhinitis
  • Hypertension

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:
reduced sense of smell
history of non-vaginal candidiasis
hypertension in parents
cigarette smoke sensitivity
itchy eyes
occasional unexplained fevers
regular infections
frequent sneezing / attacks
major fatigue for 3-12 months
high air pollution exposure
hay fever
frequent swollen axillary nodes
... and more than 70 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 95% Confirm
Hypertension 20% Unlikely
Alcohol Consequences 12% Unlikely
Vasomotor Rhinitis 1% Ruled out
Sarcoidosis 1% Ruled out
Nasal Polyps 0% Ruled out
Hay Fever 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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