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The thyroid gland plays a crucial role in regulating many of the body’s functions. However, thyroid diseases often go unnoticed and untreated, leading to various health issues that can impact your quality of life. Identifying the symptoms of untreated thyroid disease early can help prevent complications and restore your health. At Becker ENT & Allergy, our specialists provide expert care, diagnosis, and treatment to ensure your thyroid health. If you’re experiencing symptoms of hypothyroidism or hyperthyroidism, don’t hesitate to schedule a consultation.

Key Takeaways About Thyroid Disease
- Thyroid diseases are common but often go undiagnosed, particularly in adults.
- Symptoms vary between hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid).
- Common symptoms include fatigue, sleepiness, mood changes, weight fluctuations, constipation, and more.
- Untreated thyroid diseases can lead to severe complications, such as heart disease and infertility.
- Timely treatment from an experienced doctor can greatly improve your quality of life.
What Are the Most Common Untreated Thyroid Diseases?
The thyroid, located in your neck, produces hormones that regulate metabolism, energy, and many other body functions. When the thyroid doesn’t produce the right amount of hormones, it can lead to various health issues. Two of the most common thyroid conditions are:
Hypothyroidism (Underactive Thyroid):
This occurs when the thyroid produces insufficient hormones. Symptoms include fatigue, sleepiness, weight gain, dry skin, and depression. Hypothyroidism is more common than hyperthyroidism and is often undiagnosed until symptoms worsen.
Hyperthyroidism (Overactive Thyroid):
In this condition, the thyroid produces too much hormone, causing symptoms like unexplained weight loss, anxiety, and an increased heart rate. Graves’ disease is a common cause of hyperthyroidism.
Thyroid problems often remain undiagnosed. According to the American Thyroid Association, over 12% of the U.S. population will develop a thyroid condition in their lifetime, with up to 60% of cases going unrecognized.
Recognizing the Symptoms of Untreated Thyroid Disease
Early detection helps prevent complications. Below are seven key symptoms adults should watch for, with notes on whether they’re more common in hypothyroidism, hyperthyroidism, or both:
1. Fatigue
- Hypothyroidism: Low thyroid hormone levels slow metabolism, leaving you feeling constantly tired.
- Hyperthyroidism: While less common, excessive thyroid hormones can disrupt sleep, leading to fatigue.
2. Weight Fluctuations
- Hypothyroidism: Leads to weight gain due to a slower metabolism.
- Hyperthyroidism: Causes unexplained weight loss even when your appetite increases.
3. Mood Changes
- Hypothyroidism: Often linked to depression and low energy.
- Hyperthyroidism: Can cause anxiety, irritability, or restlessness
4. Temperature Sensitivity
- Hypothyroidism: Makes you feel unusually cold.
- Hyperthyroidism: May cause increased sensitivity to heat.
5. Heart Problems
- Hypothyroidism: Can slow heart rate and contribute to high blood pressure.
- Hyperthyroidism: May result in a rapid heartbeat or heart palpitations, increasing the risk of heart failure.
6. Muscle Weakness and Aches
- Hypothyroidism: Can cause muscle cramps and joint pain.
- Hyperthyroidism: Often leads to muscle weakness, particularly in the thighs and upper arms.
7. Hair and Skin Changes
- Hypothyroidism: Leads to dry, brittle hair and skin. Hair loss is also common.
- Hyperthyroidism: May cause thinning hair and unusually soft or moist skin.
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Benefits of Timely Diagnosis and Treatment of Thyroid Problems
The good news is that thyroid disorders are manageable with the right care. Timely treatment can:

- Restore normal thyroid hormone levels
- Improve energy, mood, and overall quality of life
- Prevent complications like heart disease, infertility, and peripheral neuropathy
- Address cosmetic concerns, such as goiter or hair loss
If you suspect you have a problem with your thyroid, you should consult your Primary Care Provider or an Endocrinologist. Once diagnosed, for example, patients with hypothyroidism may benefit from medications like levothyroxine to normalize hormone levels, while those with hyperthyroidism may require treatments such as radioactive iodine to manage the condition effectively.
Additionally, addressing thyroid dysfunction can improve related symptoms like difficulty concentrating or chronic low energy. Many patients report significant improvements in their overall well-being after starting treatment.
In some cases, the thyroid gland may have nodules or tumors that would benefit from surgical treatment. In those cases, your provider may reach out to the board certified physicians at Penn Medicine Becker ENT & Allergy.
The Risks of Untreated Thyroid Diseases
If left untreated, thyroid diseases can lead to severe complications, including:
- Heart Disease: Abnormal thyroid hormone levels can strain the heart, increasing the risk of heart failure or heart attack.
- Infertility: Thyroid dysfunction can disrupt menstrual cycles and hormones critical for pregnancy.
- Peripheral Neuropathy: Long-term untreated hypothyroidism can damage peripheral nerves, causing pain, tingling, or weakness.
- Myxedema: A rare but life-threatening complication of untreated hypothyroidism, characterized by extreme fatigue, low body temperature, and even coma.
- Osteoporosis: Hyperthyroidism can weaken bones, increasing the risk of fractures.
Recognizing symptoms of hypothyroidism and symptoms of hyperthyroidism early and seeking professional care is crucial to avoid these risks. Untreated hyperthyroidism can accelerate bone loss and cause calcium imbalances, while unmanaged hypothyroidism can worsen conditions like high cholesterol, further increasing cardiovascular risk.
Why Choose Becker ENT & Allergy?
Becker ENT & Allergy stands out as an outstanding provider of thyroid care. Our team includes board-certified ENT specialists with extensive experience in thyroid disorders. Whether you’re dealing with hypothyroidism, hyperthyroidism, or thyroid nodules, we have the expertise to provide effective care. We offer advanced diagnostic techniques, including blood tests and imaging, alongside tailored treatment plans.With our patient-centered approach, your comfort and health are our priorities. We take the time to listen and provide compassionate, personalized care.
Talk with your PCP, Endocrinologist, or ENT Specialist
If you’ve experienced any of the signs and symptoms mentioned or have concerns about your thyroid health, don’t wait. Early diagnosis and treatment can make all the difference. Schedule your consultation with PCP, Endocrinologist, or ENT Specialist at Becker ENT & Allergy today to get started on the path to better health. Call us or book an appointment online to meet with one of our specialists and take the first step toward a healthier, more energized life.
Our experienced team is here to answer your questions and guide you through the process, from initial diagnosis to comprehensive treatment options. Remember, the sooner you address thyroid problems, the sooner you can feel like yourself again.
Take control of your thyroid health with Becker ENT & Allergy—where expert care meets compassionate service.