Hemoglobin Levels (Male)

What Causes Abnormal Hemoglobin Levels In Men?

In order to deal properly with abnormal hemoglobin levels in men we need to understand and — if possible — remove the underlying causes and risk factors.  We need to ask: "What else is going on inside the body that might allow abnormal hemoglobin levels in men to develop?"

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Accurate diagnosis of the factors behind abnormal hemoglobin levels in men consists of three steps:

Step 1: List the Possible Causative Factors

Identify all disease conditions, lifestyle choices and environmental risk factors that can lead to abnormal hemoglobin levels in men.  Here are five possibilities:
  • Anemia
  • Non-Hodgkin's Lymphoma
  • Leukemia
  • Chronic Renal Insufficiency
  • Bone Marrow Suppression

Step 2: Build a Symptom Checklist

Identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
blood clotting problems
current exposure to solvents
pale fingernails
regularly feeling unusually cold
elevated eosinophil count
significant abdominal pain
frequent unexplained nausea
constant fatigue
chronic renal insufficiency
occasional unexplained fevers
very easy bruising
night sweats
... and more than 30 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of abnormal hemoglobin levels in men:
Cause Probability Status
Anemia 95% Confirm
Bone Marrow Suppression 30% Unlikely
Chronic Renal Insufficiency 5% Ruled out
Leukemia 3% Ruled out
Non-Hodgkin's Lymphoma 3% 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.

If you indicate having had recent lab tests, The Analyst™ will ask further questions including this one:
Hemoglobin (Hb, HGB). Unit: g/dL [g/L] or [mmol/L]
Possible responses:
→ Don't know
→ Under 11.0 [110] [6.8]
→ 11.0-13.9 [110-139] [6.8-8.6]
→ 14-17.4 [140-174] [8.7-10.8] (normal)
→ Over 17.4 [174] [10.8]
Based on your response to this question, which may indicate very low hemoglobin levels, low hemoglobin levels, normal hemoglobin levels or elevated hemoglobin levels, The Analyst™ will consider possibilities such as:
Chronic Renal Insufficiency

Anemia is almost always present in cases of chronic renal failure, and can occur through any of the basic mechanisms (blood loss, excessive destruction of red blood cells, or low production of red blood cells.)  However, the typical anemia associated with CRF results from decreased production of red blood cells by the bone marrow: failing kidneys no longer produce sufficient erythropoietin, a hormone that stimulates the production of oxygen-carrying red blood cells (RBCs).  In addition to decreased levels of RBCs, patients often begin to accumulate toxic metabolites, which shorten the lifespan of existing RBCs.


The red blood cell deficiency caused by leukemia leads to anemia and the symptoms of anemia, including severe fatigue, pallor, and breathing difficulty.

... and also rule out issues such as:
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