What Could be Causing Unexplained Vomiting?

What Causes Unexplained Vomiting?

Unexplained vomiting can have various causes, ranging in severity from 'minor' to 'generally fatal'. 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 unexplained vomiting, 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 "unexplained vomiting" as a symptom. Here are eight of many possibilities (more below):

Malaria
Stomach Cancer
Heartburn
Stomach Ulcers
Non-Hodgkin's Lymphoma
Hepatitis
Appendicitis
Epstein-Barr Virus

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:

PPI antacid use

chronic nausea

edema of the hands

occasional 'chills'

stomach ulcers

coffee consumption

having asthma

meals worsen epigastric pain

back-of-neck lymph node problems

elevated B12 levels

severe meal-increased pain

moderate abdominal pain

... and more than 100 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of unexplained vomiting:

Cause	Probability	Status
Non-Hodgkin's Lymphoma	94%	Confirm
Hepatitis	26%	Unlikely
Stomach Cancer	12%	Unlikely
Stomach Ulcers	5%	Ruled out
Heartburn	3%	Ruled out
Malaria	1%	Ruled out
Epstein-Barr Virus	1%	Ruled out
Appendicitis	1%	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 Gastrointestinal Symptoms section of the questionnaire, The Analyst™ will ask the following question about unexplained vomiting:

Approximately how often do you suffer from unexplained vomiting? Do not include vomiting that has an obvious cause, for example overeating or drinking too much alcohol.

Possible responses:

→ Don't know
→ Never / very rarely
→ Occasionally - a few times per year
→ Regularly - a few times per month
→ Often - several times per week

Based on your response to this question, which may indicate no unexplained vomiting, occasional unexplained vomiting, regular unexplained vomiting or frequent unexplained vomiting, The Analyst™ will consider possibilities such as:

Appendicitis

Aspartame/Neotame Side-Effects

Chronic Renal Insufficiency

Cyclic Vomiting Syndrome

Ectopic Pregnancy

Effects of a Low Carbohydrate Diet

Epstein-Barr Virus (EBV)

Food Poisoning

Gastric/Peptic/Duodenal Ulcers

Bleeding ulcers may cause nausea and vomiting of acidified blood resembling "coffee grounds" material.

Gastroenteritis

Hepatitis