Nutrition
3 min read

Understanding Hypothyroidism and Hashimoto's Disease: Symptoms, Treatment Options, and More

Written by
Lisha, RDN INFPC
Published on
July 24, 2023

Understanding the complexities of endocrine disorders can be challenging, but knowledge is crucial for recognizing signs, pursuing diagnosis, and obtaining effective treatment. In this blog post, we will break down two interconnected conditions: Hypothyroidism and Hashimoto's disease.

Hypothyroidism vs. Hashimoto's: What's the Difference?

To start off, let's define these conditions. Hypothyroidism refers to a situation where your thyroid gland doesn't produce enough thyroid hormones (Triiodothyronine (T3) and Thyroxine (T4)). This underproduction leads to a slowing down of the body's metabolic activities.

This slowdown can have numerous implications and manifest in various ways:

1. Energy Levels and Mood

Reduced metabolism often leads to fatigue, as your body isn't producing the energy it needs at its usual rate. This can also affect your mood, potentially leading to depression, apathy, or lethargy.

2. Body Temperature

Thyroid hormones play a critical role in maintaining your body's temperature. So, a decrease in these hormones can make you feel perpetually cold.

3. Weight Gain

Metabolism also affects the rate at which your body burns calories for energy. With a slowed metabolism, your body might store more calories as fat, leading to weight gain and even weight loss resistance.

4. Heart Rate

Thyroid hormones regulate the speed and strength of your heartbeat. A deficiency in these hormones can cause your heart rate to slow down.

5. Digestion

Hypothyroidism can slow down your digestive system, leading to symptoms such as constipation. Thyroid hormones also play a role in stomach acidity and pH, low thyroid hormones can result in additional symptoms such as acid reflux, indigestion, and potentially malabsorption of nutrients from your diet.

6. Cognitive Function

A slowed metabolism can affect your nervous system, leading to slowed mental processes, which can manifest as memory problems or difficulty concentrating.

In essence, your body's metabolic rate plays a crucial role in many key bodily functions, and a slowdown can significantly impact your overall well-being. However, with appropriate diagnosis and treatment, these effects can be managed and mitigated effectively.

Hashimoto's disease, also known as Hashimoto's thyroiditis, is an autoimmune disorder where your immune system mistakenly attacks your thyroid gland, causing inflammation and impairing its ability to produce thyroid hormones. It's the most common cause of hypothyroidism.

The key difference between these two conditions is the cause. Hypothyroidism is a broader term for a clinical state of low thyroid hormones from an underactive thyroid and can be caused by various factors, while Hashimoto's is a specific autoimmune disease that often leads to hypothyroidism.

Recognizing the Symptoms

Though the causes of Hypothyroidism and Hashimoto's disease are distinct, the symptoms can overlap due to their shared impact on thyroid function. Common symptoms of both conditions may include:

- Fatigue

- Weight gain

- Cold intolerance

- Joint and muscle pain

- Constipation

- Dry skin

- Hair loss

- Depression

- Irregular or heavy menstruation

- Memory problems

However, in the early stages of Hashimoto's disease, symptoms may include transient hyperthyroidism (overactive thyroid) symptoms like rapid heart rate, weight loss, and anxiety due to the initial inflammatory response. Damage to the thyroid tissues results in a release, or “dumping,” of thyroid hormones into the bloodstream, causing a temporary state of excess thyroid hormones and labs that appear normal or reflect hyperthyroidism.

Diagnosis: What Labs to Request

If you suspect you might have an underactive thyroid or an autoimmune thyroid disorder, you should consult your healthcare provider. They might recommend various blood tests, including:

Thyroid-Stimulating Hormone (TSH) Test

An elevated TSH level indicates that your brain (the pituitary gland) is trying to stimulate your thyroid gland to produce more thyroid hormones, signifying hypothyroidism.

Free T3 and Free T4 Tests

These tests measure the levels of active thyroid hormones in your blood. Low levels may indicate hypothyroidism.

Thyroid Peroxidase (TPO) and Thyroglobulin Antibodies Test

High levels of these antibodies are commonly found in patients with Hashimoto's disease, as these are the antibodies that attack the thyroid. You can order this full thyroid panel to screen for Hashimoto’s right from home: Use code LISHA25 to save 25% on your order.

Treatment Options: Conventional and Functional

Conventional Treatment

Conventional treatment for both hypothyroidism and Hashimoto's primarily involves hormone replacement therapy with Levothyroxine, a synthetic form of the thyroid hormone T4. This medication helps restore normal thyroid hormone levels, which can assist with resolving symptoms over time, however more often than now, a whole-body approach is required for lasting symptom relief.

Functional Medicine Approach

Functional medicine emphasizes a more holistic, patient-centered approach. It focuses on identifying the root cause of the disease and uses diet, lifestyle modifications, and supplements to manage the disease.

- Diet: A diet high in fruits, vegetables, lean proteins, healthy fats, nuts/seeds, whole grains (usually gluten-free), and low in processed foods can help manage symptoms.

- Lifestyle modifications: Regular exercise, sufficient sleep, and stress management techniques such as yoga and meditation can also have a positive impact on managing these conditions.

- Supplements: Some people may benefit from supplements like selenium, zinc, and Vitamin D, but it's important to discuss this with your healthcare provider before starting any supplement regimen.

At-Risk Populations; Onset of Disease

Women are more likely than men to develop both hypothyroidism and Hashimoto's disease, especially those over the age of 60. Additionally, those with a family history of thyroid or autoimmune diseases, or those with other autoimmune conditions such as Type 1 diabetes or celiac disease, are also at a higher risk.

The onset of hypothyroidism and Hashimoto's disease, like many health conditions, can often be tied to specific life stages or circumstances that trigger their development. Often, these conditions start quietly, with subtle changes in energy levels, mood, and metabolism, before escalating into more noticeable symptoms.

One common period when individuals may develop hypothyroidism or Hashimoto's is during significant hormonal shifts, such as puberty, pregnancy, or menopause. These are times when the body undergoes considerable changes, and the added stress can trigger the onset of thyroid disorders.

Similarly, periods of intense stress or trauma, whether physical or emotional, can trigger the development of these conditions. Additionally, some individuals may have a genetic predisposition that makes them more susceptible to these conditions. If a close family member has hypothyroidism or Hashimoto's, the chances of developing these diseases increase.

Another important factor to consider is diet and lifestyle. Nutrient deficiencies, a diet high in processed foods, poor gut health, and a sedentary lifestyle have all been linked to the onset of hypothyroidism and Hashimoto's.

Conclusion: Empowering Yourself Through Knowledge

In understanding the differences and similarities between hypothyroidism and Hashimoto's disease, we empower ourselves to recognize their signs and symptoms, understand the diagnosis process, and explore various treatment options. Both conditions, while linked and often overlapping, have distinct causes and may require slightly different management strategies.

Living with an endocrine disorder can be challenging, but with proper knowledge and proactive management, individuals can effectively control their symptoms and maintain a high quality of life. Always remember, your health is an investment, not an expense. Whether it's conventional treatment strategies, such as hormone replacement therapy, or more holistic, functional medicine approaches involving diet, lifestyle changes, and supplements, there's a wealth of options available to help manage these conditions.

Recognizing your risk factors, being vigilant about potential symptoms, and working closely with your healthcare provider is crucial. Regular check-ups and tests should be prioritized to ensure any changes in your thyroid function are caught early.

The journey through hypothyroidism or Hashimoto's disease is deeply personal and varies from person to person. By arming ourselves with knowledge, fostering open communication with our healthcare providers, and maintaining a supportive network of family and friends, we can navigate this journey successfully and live our healthiest, fullest lives.

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