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Thyroid Health

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Thyroid Health

Hypothyroidism, also known as underactive thyroid, is a common endocrine disorder characterized by an insufficient production of thyroid hormones by the thyroid gland. Thyroid hormones play a crucial role in regulating metabolism, energy production, temperature regulation, and overall cellular function. When thyroid hormone levels are low, it can lead to a range of symptoms and health complications.

Causes of Hypothyroidism

Hashimoto’s disease is the most common cause of hypothyroidism, accounting for most cases. It is an autoimmune condition in which the immune system attacks the thyroid gland, leading to inflammation and destruction of thyroid tissue.
Iodine is an essential nutrient required for the production of thyroid hormones. In areas where iodine intake is insufficient, iodine deficiency can lead to hypothyroidism. However, iodine deficiency is less common in regions where iodine is routinely added to salt or other foods, such as in the United States.
Surgery to remove part or all the thyroid gland (thyroidectomy) or radiation therapy to the neck area can damage thyroid tissue and impair thyroid function, leading to hypothyroidism.
Certain medications, such as lithium, amiodarone, interferon-alpha, and tyrosine kinase inhibitors, can interfere with thyroid function and contribute to hypothyroidism as a side effect.
Disorders affecting the pituitary gland or hypothalamus, such as pituitary adenomas, pituitary dysfunction, or hypothalamic dysfunction, can disrupt the production and regulation of thyroid-stimulating hormone (TSH), leading to secondary hypothyroidism.
This is a condition in which the adrenal glands are not operating optimally and there is a low normal production of cortisol. This results in fatigue and may decrease the production of thyroid hormone.
High triglyceride levels are often associated with hypothyroidism as is estrogen imbalance, and hair loss.

Symptoms of Hypothyroidism

Fatigue and Low Energy

Fatigue and low energy levels are hallmark symptoms of hypothyroidism. Individuals with an underactive thyroid often feel tired, sluggish, and lethargic, despite getting adequate rest.
Weight Gain
Unexplained weight gain or difficulty losing weight is a common symptom of hypothyroidism. Thyroid hormones play a key role in regulating metabolism, so when thyroid function is impaired, it can lead to weight gain, even with reduced calorie intake.
Cold Sensitivity
Hypothyroidism can disrupt the body’s ability to regulate temperature, leading to increased sensitivity to cold temperatures. Individuals with hypothyroidism may feel cold more easily and have difficulty staying warm.


Sluggish bowel movements and constipation are common gastrointestinal symptoms of hypothyroidism. Thyroid hormones influence digestive function, so when thyroid levels are low, it can slow down the digestive tract and lead to constipation.
Dry Skin and Hair
Hypothyroidism can cause dry, itchy skin and brittle hair that is prone to breakage. Thyroid hormones play a role in maintaining skin hydration and regulating hair growth, so deficiencies can manifest as skin and hair changes.
Heart Failure
Thyroid hormones have a role in maintaining optimal heart contraction. When levels are significantly deficient this may result in decreased heart function.

Muscle Weakness and Aches

Muscle weakness, stiffness, and aches are common symptoms of hypothyroidism. Low thyroid hormone levels can impair muscle function and lead to generalized muscle weakness and discomfort.
Joint Pain and Stiffness
Individuals with hypothyroidism may experience joint pain, stiffness, and swelling, particularly in the hands, feet, and knees. Thyroid hormones play a role in maintaining joint health and lubrication, so deficiencies can lead to joint problems.
Depression and Mood Changes
Hypothyroidism is associated with changes in mood, including depression, anxiety, irritability, and mood swings. Thyroid hormones influence neurotransmitter levels in the brain, so imbalances can affect mood and emotional well-being.

Brain Fog and Memory Issues

Cognitive symptoms such as brain fog, forgetfulness, and difficulty concentrating are common in hypothyroidism. Thyroid hormones are essential for brain function, so deficiencies can impair cognitive function and mental clarity.
Menstrual Irregularities
Women with hypothyroidism may experience menstrual irregularities, including heavy or irregular periods, missed periods, or infertility. Thyroid hormones play a role in regulating the menstrual cycle and reproductive function.

At Holistic Integrative Health, we offer a personalized and integrative approach to managing hypothyroidism by addressing the underlying root causes, restoring thyroid function, and optimizing overall health and well-being. After completing a comprehensive evaluation, we can develop an individualized treatment plan to help address the root cause or causes of your hypothyroidism. Your treatment plan may include lifestyle modifications, targeted supplementation, improving gut health, weight management, hormone balancing, sleep hygiene, medication management and/or stress management.