Which Doctor Treats Persistent Fatigue?

Fatigue is extreme tiredness that doesn't improve with rest and interferes with your ability to work, exercise, and enjoy activities. Unlike normal tiredness from hard work or poor sleep, fatigue persists despite getting adequate rest. Fatigue can signal underlying medical problems like anemia, thyroid disease, or diabetes, or mental health conditions like depression. Finding the cause is crucial because treatment depends on what's causing the fatigue. Understanding what kind of doctor should I see for fatigue helps you get proper evaluation and targeted treatment.

Start with your primary care physician who can take a detailed history, perform blood tests to check for anemia, thyroid disease, diabetes, and infections, and assess whether depression or anxiety might be contributing. Blood work is essential for fatigue because many causes show up in lab tests. If no obvious medical cause is found, your doctor might refer you to a psychiatrist for depression evaluation, since depression commonly causes fatigue. Keep a fatigue diary noting when you're most tired, what activities worsen it, and any other symptoms to help your doctor identify patterns.

Most fatigue improves once the underlying cause is identified and treated. Anemia responds to iron supplementation, thyroid disease to thyroid hormone replacement, and depression to antidepressants and therapy. If fatigue persists after initial workup, specialists like an internist or rheumatologist might investigate less common causes. The key is not accepting persistent fatigue as normal but getting evaluated to restore your energy and quality of life.