Chronic fatigue and brain fog are the symptoms most often dismissed and least often systematically worked up — evaluated here by telehealth across Colorado and Connecticut. They have real causes, most are findable, and a narrow panel is usually why they weren't found.
Commonly reported experiences from people who end up here.
Many people arrive having had a CBC and a TSH. That's a fraction of the picture. This is the baseline I work from, adjusted to your history.
Substantially underdiagnosed in women, whose presentation differs from the textbook picture. Snoring isn't required. Unrefreshing sleep despite adequate hours is the signal, and a home sleep study answers it.
Night waking, temperature dysregulation, and early-morning waking often appear years before cycle changes are obvious, and are frequently attributed to stress instead.
Frequently related to low iron stores — another reason ferritin belongs in the panel rather than hemoglobin alone.
Cognitive behavioral therapy for insomnia outperforms medication for durable results, and is worth pursuing before adding another prescription.
A fifteen-minute call is enough to talk through what's been checked, what hasn't, and where to start. No cost, no obligation.
Ongoing care with one provider tracking this over time — repeat testing at sensible intervals, treatment adjustment, and continuity as things change.
Book a Comprehensive Intake VisitTime-limited, structured support when fatigue is persistent or complex and benefits from deeper evaluation with closer follow-up.
Book a Root Cause ReviewThis page is general education, not medical advice for your situation. What's right for you depends on your history, medications, and results.
Related reading Why “normal” iron labs don't always explain how you feelUsually the panel was narrower than it needed to be, or a result sat inside the reference range at a level that still causes symptoms. Ferritin is the classic example — a value of 18 is technically normal and low enough to leave many women exhausted. I've written about that in more detail on the blog.
Quite possibly, and it's frequently missed. Fatigue, brain fog, and sleep disruption often appear years before cycles change noticeably, which is why they get attributed to stress instead.
I test cortisol when there's a clinical reason — ruling out adrenal insufficiency or Cushing's syndrome. I don't diagnose adrenal fatigue, because it isn't a recognized condition and the evidence doesn't support it. That isn't dismissing your symptoms; it means looking for the causes that are actually findable.
Unrefreshing sleep despite adequate hours is the main signal. Snoring, witnessed pauses, and morning headaches raise suspicion but aren't required — particularly in women. A home sleep study answers it.
Yes, and it's one of the more common contributors. Hypothyroidism affects concentration and processing speed, and symptoms can persist even when TSH looks controlled, which is worth investigating rather than accepting.
It can. Anemia is the late stage of iron depletion, not the first sign. Ferritin measures stores, and it can be low enough to cause fatigue, hair shedding, and restless legs while hemoglobin still looks normal.
There's no single confirmatory test for either. What I do is work systematically through what's treatable, and where the picture fits post-viral illness or ME/CFS, focus on pacing, sleep, and symptom management rather than chasing a test that doesn't exist.
Maybe, but not first. Conventional testing done thoroughly answers the question for a meaningful share of people. If it doesn't, that's when a deeper functional evaluation earns its place.
It depends entirely on the cause. Iron repletion takes months, not weeks. Sleep changes can show up in two weeks. Thyroid adjustment takes six to eight weeks to assess. I'd rather set that expectation up front.
Fifteen minutes, no cost. We'll talk through what's been checked and what hasn't.