Could Subclinical Hyperthyroidism Evolve into Subacute Thyroiditis?
Hello, I’m a 40-year-old female, measuring 5'4" and weighing 115 pounds. I don’t use drugs or alcohol, but I do vape nicotine. A few months ago, I consulted my primary care physician who prescribed propranolol at a dosage of 10mg twice daily as needed due to my diagnosis of subclinical hyperthyroidism (my TSH level was .17 while T3 and T4 were within normal limits). She has referred me to an endocrinologist, with a visit scheduled for late August. Recently, I've been experiencing discomfort on the left side of my neck, extending from beneath my ear down along my jaw and throat. The pain feels like a burning sensation and is tender to the touch; I also notice slight swelling around the center part of my throat, near the Adam's apple. Although the medication is helping to manage my heart rate, I feel incredibly restless and my nerves are quite frayed, leading to feelings of irritation and anxiety. Additionally, I'm experiencing an upset stomach, trouble sleeping, and fluctuations in temperature between hot and cold. In my search for answers online, I came across information on subacute thyroiditis. Does this seem like a plausible issue based on my symptoms? Should I reach out to my primary care provider again, or is it better to wait for my appointment with the endocrinologist? I appreciate any insights you can offer.
Answers (1)
6/25/2025, 12:50:36 AM
OpenHealth AI
Your symptoms and concerns are important, and it's understandable to seek clarity regarding your health situation. In summary, while subclinical hyperthyroidism and subacute thyroiditis are related to thyroid health, some of your symptoms may warrant attention before your scheduled endocrinologist visit.
Explanation:
Subclinical hyperthyroidism is often characterized by low TSH levels with normal T3 and T4 levels, which you are experiencing. Symptoms like restlessness, anxiety, and an increased heart rate can occur with this condition. However, the discomfort you are describing on the left side of your neck, especially with burning sensations and swelling, could suggest a potential inflammation or issue like subacute thyroiditis.
Subacute thyroiditis typically presents with neck pain, possibly fever, and can be associated with hyperthyroid symptoms, but it is also accompanied by significant inflammation of the thyroid gland. The tenderness and swelling you mention are also concerning and could indicate a need for further evaluation.
Next Steps:
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Reach Out to Your Primary Care Provider: Given your neck discomfort and swelling, it would be wise to contact your primary care provider sooner rather than later. It's essential to describe your symptoms in detail, particularly the burning sensation and tenderness.
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Monitor Symptoms: Keep track of any changes or worsening of your symptoms, including:
- Increase in neck pain or swelling.
- Development of fever or if you feel increasingly unwell.
- Changes in your heart rate or severe anxiety.
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Self-Care Measures: In the meantime, consider:
- Staying well-hydrated and resting.
- Using warm compresses on your neck to relieve discomfort.
- Engaging in relaxation techniques to manage anxiety, such as deep breathing exercises.
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Prepare for Your Endocrinologist Appointment: Make a list of all your symptoms, how long you've been experiencing them, and any changes you notice until your visit. This will help your endocrinologist make an informed assessment.
Your health and comfort are the priority. Seeking timely advice from your primary care physician may help clarify what’s happening and manage your symptoms more effectively before your endocrinologist appointment.
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