Your thyroid may be small, but it has a surprisingly big job. This butterfly-shaped gland helps regulate metabolism, energy, body temperature, heart rate, and plenty of other processes that keep your body running.

So when your thyroid isn’t working as it should, you may notice changes throughout your body. And sometimes, those changes can be easy to dismiss.

Feeling tired all the time? “I’m just getting older.”

Brain fog? “I’ve been busy.”

Trouble sleeping? “I’m stressed.”

Sound familiar?

While these symptoms can have many possible causes, persistent changes are worth investigating. And if you continue to feel unwell despite being told that your thyroid numbers are “normal,” it may be time to look at the bigger picture.

Your Thyroid and Your Nervous System Are Connected

The thyroid and nervous system don’t operate in separate little departments. Hormones influence how the brain and nervous system function, which means thyroid imbalances can sometimes be associated with symptoms that feel neurological.

These may include:

• Brain fog or difficulty concentrating
• Memory changes
• Fatigue or low energy
• Headaches
• Sleep problems
• Mood changes
• Feeling unusually anxious or down
• Muscle weakness or aches
• Numbness or tingling
• Feeling unusually sensitive to cold or heat

Of course, having one or more of these symptoms doesn't automatically mean you have a thyroid problem. But when several symptoms show up together, it’s worth asking why.

When Thyroid Treatment Isn’t Quite Enough

For some people, getting a thyroid diagnosis and starting medication is only part of the journey.

You may be taking thyroid medication as prescribed and still feel like something is off. Maybe your energy hasn't returned. Maybe your brain still feels foggy. Or perhaps you're experiencing symptoms that don't seem to match what your lab results are telling you.

That can be frustrating.

A functional approach looks beyond a single number on a lab report. At our office, we look at the individual as a whole when evaluating complex health concerns. This may include looking at thyroid function alongside neurological function, nutrition, lifestyle, and other factors that could be contributing to how you feel. More in-depth blood tests can also tell a more detailed story. 

What If Your Thyroid Tests Are “Normal”?

This is one of the most frustrating situations for patients: you don't feel well, but you're told your tests are normal. That doesn't necessarily mean your symptoms aren't real. It means there may be more questions to ask.

Thyroid health involves more than simply asking whether a person has a thyroid disorder. Understanding symptoms, medical history, laboratory findings, and other potential influences can provide a more complete picture.

A functional approach to thyroid care focuses on identifying potential contributing factors instead of automatically assuming there is only one explanation for every symptom.

If you're dealing with persistent thyroid-related concerns, thyroid treatment may be worth exploring.

When Should You Talk to a Functional Neurologist?

Consider discussing your symptoms with a qualified healthcare professional if you:

• Continue experiencing fatigue despite getting adequate sleep
• Have persistent brain fog or trouble concentrating
• Notice unexplained changes in your energy or mood
• Have ongoing headaches, dizziness, numbness, or tingling
• Feel unusually sensitive to cold or heat
• Have unexplained changes in weight
• Are being treated for a thyroid condition but still don't feel like yourself
• Have recurring symptoms that don't seem to have an obvious explanation

The goal isn't to blame every symptom on your thyroid. Bodies are complicated. Sometimes the answer is hiding in the overlap between several systems.

That's why looking at the whole picture can be so valuable.

Don't Ignore What Your Body Is Telling You

You know your normal. So, if you consistently feel different, and especially if you can't put your finger on why, it deserves attention. Your thyroid could be part of the story. Your nervous system could be part of the story. Or there could be another factor entirely.

The important thing is to keep asking questions rather than accepting feeling lousy as your new normal.

Sometimes, finding answers starts with looking at the whole picture instead of just one piece of it.

Frequently Asked Questions

What are common signs of a thyroid problem?

Common symptoms can include fatigue, changes in weight, brain fog, difficulty concentrating, mood changes, sleep problems, sensitivity to cold or heat, and changes in energy levels. Symptoms can vary depending on whether the thyroid is underactive or overactive.

Can thyroid problems cause brain fog?

Thyroid dysfunction can be associated with cognitive symptoms such as difficulty concentrating, memory problems, and brain fog. However, these symptoms can have many possible causes, so a proper evaluation is important.

What is a functional approach to thyroid treatment?

A functional approach considers the individual as a whole rather than focusing on a single symptom or laboratory value. Depending on the person, this may involve evaluating thyroid function alongside nutrition, lifestyle, neurological function, and other potential contributing factors.

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Dr. Randy Hansbrough, DC, is a Board-Certified Chiropractic Neurologist and Certified Functional Medicine Practitioner with more than 35 years of experience. At Hansbrough Center for Functional Neurology in Stuart, FL, he takes an individualized approach to helping patients better understand complex health concerns.

Still not feeling like yourself? Contact Hansbrough Center for Functional Neurology in Stuart, FL, to learn more about personalized thyroid care and schedule a consultation.

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