Strong Or Weak Appetite

What Causes Weak Appetite?

Weak appetite 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 weak appetite, 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 "weak appetite" as a symptom.  Here are eight of many possibilities (more below):
  • Irritable Bowel Syndrome
  • Cirrhosis Of The Liver
  • Stress
  • Valley Fever (Coccidioidomycosis)
  • Depression
  • Leukemia
  • Hyperparathyroidism
  • HIV/AIDS

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:
regular unexplained sadness/crying
being in an imperfect relationship
flatulence
chronic dry cough
itchy skin
rapid pulse rate
refined white flour consumption
high refined sugar consumption
difficulty getting out of bed
occasional 'chills'
abdominal pain reduced by eating
frequent painful axillary nodes
... and more than 140 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of weak appetite:
Cause Probability Status
Cirrhosis Of The Liver 98% Confirm
Depression 19% Unlikely
Valley Fever (Coccidioidomycosis) 14% Unlikely
Leukemia 3% Ruled out
HIV/AIDS 3% Ruled out
Hyperparathyroidism 2% Ruled out
Stress 1% Ruled out
Irritable Bowel Syndrome 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 Diet section of the questionnaire, The Analyst™ will ask the following question about strong or weak appetite:
How strong is your appetite (desire to eat) generally?
Possible responses:
→ Very weak - I eat infrequently and small amounts
→ Weak
→ Average / don't know
→ Strong
→ Very strong - I rarely miss an opportunity to eat
Based on your response to this question, which may indicate loss of appetite, weak appetite, normal appetite, strong appetite or very strong appetite, The Analyst™ will consider possibilities such as:
Congestive Heart Failure

Accumulation of fluid (due to congestive heart failure) in the liver and intestines may cause nausea, abdominal pain, and decreased appetite.

Diabetes Type I

Intense hunger is a sign of Diabetes I.

Hyperparathyroidism

In more severe cases there may be loss of appetite, nausea, vomiting, constipation, confusion or impaired thinking and memory, and increased thirst and urination.

Hypoglycemia

Hunger is a symptom of hypoglycemia.

Kidney Disease

Loss of appetite is a possible symptom of kidney disease.

Leukemia

Loss of appetite and weight loss can occur with AML, CLL or CML.

Nephrotic Syndrome

As nephrotic syndrome progresses, appetite is greatly decreased.

Pinworm Infection

A heavy pinworm infection can cause loss of appetite.

... and also rule out issues such as:
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