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
Nasal Polyps

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:

occasional runny nose

very tender muscles

inflamed cuticles

reduced sense of smell

shingles

frequent sneezing / attacks

cysts in breasts

frequent night terrors

history of adult allergies

short-term memory failure

dry nose

recurring mouth ulcers

... 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
Nasal Polyps	99%	Confirm
Hay Fever	28%	Unlikely
Indoor Allergies	18%	Unlikely
Lupus (SLE)	1%	Ruled out
Alcohol Consequences	0%	Ruled out
Vasomotor Rhinitis	0%	Ruled out
Cocaine Addiction	0%	Ruled out
Hypertension	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:

Alcohol-related Problems

Allergic Rhinitis / Hay Fever

Cocaine Addiction

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.

Indoor Allergies

Lupus, SLE (Systemic Lupus Erythematosus)

Nasal Polyps

Nonallergic / Vasomotor Rhinitis

Sarcoidosis

Sinusitis

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

Concerned or curious about your health? Try The Analyst™