Fatigue

Fatigue is one of the most common and challenging symptoms in primary care. It differs from simply feeling sleepy.

The Diagnostic Framework

Physicians categorize fatigue into three main buckets:

  1. Physiologic: Overwork, lack of sleep, acute stress.
  2. Psychologic: Depression, anxiety, chronic stress.
  3. Organic (Medical): Anemia, thyroid disorders, heart failure, chronic infections.

Interactive Tool: Fatigue Etiology Analyzer

Common Tests Ordered

  • CBC: To check for anemia.
  • TSH: To check thyroid function.
  • HbA1c: To screen for diabetes.

Frequently Asked Questions

Is this a medical diagnosis?

No, Dr. Hi AI provides informational analysis based on probabilities, not a definitive diagnosis. Always consult a physician.

How accurate is the system?

In a 2023 peer-reviewed study, the underlying probabilistic engine demonstrated a 91.5% top-3 diagnostic accuracy against standardized clinical vignettes.

Common Diagnostic Mistakes

  • Anchoring bias: Focusing too early on one symptom and ignoring later information.
  • Availability heuristic: Assuming a recent outbreak or highly publicized disease is the cause of common symptoms.

Your Natural Next Step

If you are experiencing severe symptoms, go to the nearest emergency room. Otherwise, Start a free AI symptom check.