What Causes Recent Unusual Headaches?

Recent unusual headaches can have various causes, ranging in severity from 'troubling' 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 recent unusual headaches, 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 "recent unusual headaches" as a symptom. Here are five possibilities:

West Nile Virus
Gastroenteritis
HIV/AIDS
Brain Tumor
Infectious Mononucleosis

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 transfusions

brain cancer

swollen inguinal nodes

peripheral vision loss

frequent unexplained fevers

multiple painful cervical nodes

having a slight fever

very great unexplained weight loss

frequent painful axillary nodes

high current exposure to solvents

herpes type II

seizures

... and more than 60 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of recent unusual headaches:

Cause	Probability	Status
West Nile Virus	93%	Confirm
HIV/AIDS	18%	Unlikely
Brain Tumor	2%	Ruled out
Gastroenteritis	1%	Ruled out
Infectious Mononucleosis	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 Metabolic Symptoms section of the questionnaire, The Analyst™ will ask the following question about atypical recent headaches:

Have you experienced any unusual headaches within the past month?

Possible responses:

→ They are ongoing / don't know
→ No
→ Yes, one/some that have now resolved
→ Yes, I am having mild to moderate headaches
→ Yes, I am having severe headaches

Based on your response to this question, which may indicate absence of atypical recent headaches, resolved atypical recent headaches or current atypical headaches, The Analyst™ will consider possibilities such as:

Brain Tumor

Gastroenteritis

HIV/AIDS

Severe headaches can be a symptom of AIDS. Some people get a flu-like illness within a month or two after first getting HIV. The flu-like symptoms often go away within a week, and include fever, headache, fatigue (being a lot more tired than usual, and all the time), swollen lymph nodes (glands in the neck and groin).

West Nile Virus

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