Your thyroid struggles might not be as mysterious as they seem. Chronic inflammation could be the silent disruptor affecting your gland’s function, leaving you battling fatigue, weight fluctuations, and other persistent symptoms. Unlike short-term inflammation that promotes healing, chronic inflammation damages your thyroid’s regulatory system and disrupts hormone production. Recognizing this hidden connection opens the door to targeted solutions that can restore balance, vitality, and control over your health.
Your thyroid problem might be an inflammation problem…
Inflammation might be the hidden obstacle standing between you and optimal thyroid health. While short-term inflammation can support healing, chronic inflammation wreaks havoc on your thyroid gland, its regulatory system, and hormone production.
The impacts are often silent, leaving you struggling with unexplained fatigue, weight changes, and other frustrating thyroid symptoms. But here’s the good news: by understanding the connections between inflammation and your thyroid, you can take targeted actions to restore balance and regain control of your health.
It’s time to break free from the cycle and address inflammation head-on.
Good and Bad Inflammation
Good and Bad InflammationThere is good inflammation and bad inflammation. The good kind is short-lived and is part of the natural healing process. The bad kind lasts longer than it should and results in damage to the body. This bad kind is called chronic inflammation, and it plays a role in chronic health issues; especially those related to thyroid function.
How can inflammation cause thyroid problems?
Inflammation can affect the thyroid gland itself or the other parts of the thyroid gland regulatory system and the thyroid hormones themselves. If inflammation is part of your thyroid problem, you will never achieve optimal function until the inflammation is addressed. Chronic inflammation creates numerous obstacles to healthy thyroid function, and you may not even know it’s happening to you.
Inflammation is typically associated with heat, swelling and pain. This is true in the case of short-term inflammation. Examples of short-term inflammation would be the pain and congestion that happens when you have a cold or the pain and swelling that occurs if you sprain your ankle. This acute inflammation ends once the body has healed. Chronic inflammation is not so easy to identify. You can be chronically inflamed and not even know it.
How do you know?
So how do you know if have chronic inflammation? You would think that there would be all kinds of blood tests to evaluate inflammation, but we only have a few. The most common test is called a CRP or C-reactive protein test.
“C-reactive protein (CRP) is a protein…the level of CRP increases when there’s inflammation in the body. A simple blood test can check your C-reactive protein level.
A high-sensitivity C-reactive protein (hs-CRP) test is more sensitive than a standard C-reactive protein test. That means the high-sensitivity test can find smaller increases in C-reactive protein than a standard test can.”
How Inflammation Affects Your Thyroid Gland
1. Disruption of Hypothalamic Function
Inflammation can impair your hypothalamus, a key thyroid regulator located in your brain, leading to reduced production of thyrotropin-releasing hormone (TRH). TRH tells your pituitary gland to make TSH.
2. Pituitary Gland Dysregulation
Chronic inflammation affects your pituitary gland’s ability to produce thyroid-stimulating hormone (TSH), disrupting communication with the thyroid gland. TSH is the hormone that tells your thyroid gland to make thyroid hormones.
“Inflammation…leads to oxidative stress and affects thyroid function, causing nonthyroidal illness syndrome or pituitary-thyroid axis depression.”
3. Reduced Thyroid Hormone Production
Inflammation interferes with your thyroid gland’s ability to produce thyroid hormones (T4 and T3), leading to hormone imbalances.
“thyroid function has been found to be strongly associated with inflammation.”
4. Reduced Conversion of T4 to T3
Inflammation inhibits deiodinase enzymes responsible for converting T4 (inactive) to T3 (active), leading to lower levels of the active hormone and affecting metabolic processes.
“Systemic inflammation, (represented by higher inflammatory markers), which in turn is associated with systemic tissue injury, lead to reduced deiodinase activity. This results in decreased conversion of T4 to T3…”
5. Increased Reverse T3 (rT3)
Inflammatory conditions can favor the conversion of T4 into reverse T3 (rT3), an inactive form of the hormone, further reducing the availability of active T3.
“T3 is the more active hormone. T3 is 7-10 times more potent than T4. T4 can be thought of as a pro- or precursor hormone, and T3 the active hormone. However, a different process can, and does, occur… and the result is called reverse T3, or RT3. RT3 is interesting because it blocks T3 from its functioning. RT3 can be thought of as the thyroid system putting on its brakes.”
6. Thyroid Hormone Receptor Sensitivity
Inflammation can reduce the sensitivity of your thyroid hormone receptors, making it harder for cells to respond to thyroid hormones even when levels appear normal. When this happens, you can experience the signs and symptoms of poor thyroid function, even if your levels of hormone are in normal and healthy range.
7. Nutrient Deficiencies
Inflammation increases the demand for nutrients like selenium, zinc, and iodine, which are critical for thyroid hormone synthesis and conversion.
8. Increased Oxidative Stress
Inflammation generates oxidative stress, which damages thyroid tissue and enzymes involved in hormone production, reducing your gland’s efficiency over time. Oxidative stress is caused by free radicals. Free radicals damage your body. Nutrients like vitamin A, C and E and selenium are antioxidants that neutralize free radicals and reduce oxidative stress.
Thyroid diseases, including…autoimmune diseases and thyroid dysfunctions, are becoming a serious social problem with rapidly increasing prevalence. The latter is increasingly linked to oxidative stress.
9. Autoimmune Thyroid Disease (Hashimoto’s)
Chronic inflammation is a major driver of autoimmune conditions like Hashimoto’s thyroiditis, where the immune system attacks the thyroid gland, impairing its function.
“Hashimoto’s… is a chronic autoimmune thyroiditis that causes systemic inflammation in the body, leading to hypothyroidism…”
Hashimoto’s disease is not just inflammation of the thyroid gland, it results in increased inflammation throughout the body.
10. Leptin and Body Weight Regulation
Leptin is a hormone released by the fat cells in your body. The amount of leptin in your body is linked to how much body fat you have. Increased levels of leptin and inflammation cause leptin resistance, leading to altered hypothalamus signaling and contributing to obesity, which negatively affects thyroid function and hormone levels.
“Because your hypothalamus regulates your appetite and affects how you burn calories and store fat, damage to it can cause weight gain.”
Take Control Of Your Inflammation
Your thyroid health doesn’t have to remain a mystery, nor should inflammation dictate how you feel. By recognizing and addressing chronic inflammation, you can unlock the key to a healthier thyroid and a more vibrant life.
Whether it’s through improving your diet, managing stress, or ensuring proper nutrient intake, every step you take will move you closer to optimal thyroid function.
Start today—take back control…let your journey toward better health begin now. Your thyroid deserves it, and so do you.
This article by Dr. Clint Sexton and Sexton Functional Medicine is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider regarding your individual health concerns. Reading this article does not establish a doctor–patient relationship.
