Brain fog. Persistent fatigue that doesn’t improve with sleep. Weight gain that seems to happen regardless of diet or exercise. These three symptoms show up in primary care every day — and they’re frequently dismissed as stress, aging, or lifestyle issues.
But they’re also among the most common presentations of thyroid dysfunction, particularly hypothyroidism — an underactive thyroid that is both common and highly treatable. A simple lab draw can tell you whether your thyroid is part of the picture.
What Does the Thyroid Do?
The thyroid gland, a small butterfly-shaped gland in your neck, produces hormones (T3 and T4) that regulate your metabolism, energy production, body temperature, heart rate, and mood. When it’s functioning properly, you barely notice it. When it’s underactive — producing too little hormone — the effects ripple through virtually every system in your body.
Hypothyroidism affects an estimated 5% of Americans, with significantly higher rates in women — particularly women over 40. It’s one of the most common endocrine conditions seen in primary care, and one of the most frequently missed.
Common Signs of an Underactive Thyroid
In addition to the brain fog, fatigue, and weight gain mentioned above, common symptoms of hypothyroidism include: feeling cold more easily than others, dry skin and hair, hair loss or thinning, constipation, low mood or depression, slow heart rate, muscle weakness or aching, and irregular or heavier menstrual periods.
These symptoms are nonspecific — they overlap with many other conditions — which is part of why thyroid dysfunction is so often missed without targeted testing.
How Is It Diagnosed?
Thyroid function is evaluated through a blood test measuring TSH (thyroid-stimulating hormone) and, when indicated, free T3 and free T4 levels. TSH is typically the first marker checked — it’s a sensitive indicator of how hard the pituitary gland is working to stimulate the thyroid, which reflects whether the thyroid is keeping up.
At The Batson Clinic, thyroid screening is part of our standard new patient workup and is included in routine annual lab panels. If results indicate dysfunction, Katherine will discuss the findings, explain what they mean, and develop a management plan appropriate to your specific levels and symptoms.
Thyroid and Weight Loss — An Important Connection
For patients in our GLP-1 weight loss program, thyroid screening is particularly important. Untreated hypothyroidism significantly reduces the effectiveness of weight loss efforts — including medication-assisted weight loss — because the metabolic slowdown caused by low thyroid hormone counteracts the progress patients would otherwise make.
This is one of the reasons we run labs before starting any weight loss program. Missing a thyroid condition at the outset would set our patients up for frustration and failure.
Don’t Ignore the Signal
If you’ve been living with unexplained fatigue, brain fog, or stubborn weight gain and haven’t had a thyroid panel recently — or ever — it’s worth finding out.
Book an appointment at The Batson Clinic in Little Rock. We’ll run a complete thyroid panel and talk through what the results mean for your health. Call (501) 406-3933 or visit batsonhealth.com.