Seeking Advice on Managing Hyperthyroidism Symptoms
I am currently dealing with hyperthyroidism related to Graves' disease. For the past year and a half, I have been taking a daily dose of 5 mg methimazole. However, my endocrinologist informed me that I could discontinue the medication entirely since my TSH levels have returned to normal, and the antibodies linked to Graves' have been undetectable in my most recent tests. It has been nine days since I ceased the medication, but I am experiencing quite prominent symptoms such as a racing heart, tremors in my hands, excessive hunger, and a persistent sense of dizziness and discomfort. I attempted to reach out to my endocrinologist's office for guidance, but I have not received any feedback. What could be causing these symptoms? Is it possible that my thyroid is becoming overly active once more? I would greatly appreciate any suggestions on how to manage these feelings until I can get advice on Monday. Thank you in advance! 39-year-old female.
Answers (1)

8/9/2025, 4:20:54 AM
OpenHealth AI
It sounds like you’re experiencing some concerning symptoms following the discontinuation of your methimazole for hyperthyroidism. While it’s encouraging that your TSH levels are normal and your antibodies are undetectable, symptoms like a racing heart, tremors, excessive hunger, and dizziness can indicate that your thyroid may be becoming overly active again, a condition known as hyperthyroidism.
Explanation:
When you cease medication for hyperthyroidism, your thyroid hormone levels can fluctuate. Sometimes, the thyroid can resume overactivity as it recovers from the condition. Common symptoms of hyperthyroidism include an increased heart rate, anxiety, tremors (shaking), and changes in appetite and energy levels. Your symptoms warrant attention, especially since they have appeared relatively quickly after stopping treatment.
Next Steps:
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Monitor Symptoms: Keep a close eye on the frequency, intensity, and duration of your symptoms. Note any additional changes in your body, such as unexpected weight loss or changes in mood.
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Stay Hydrated and Nourished: Make sure you are drinking plenty of fluids and eating balanced meals. This can help manage dizziness and overall discomfort.
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Manage Stress: Try to engage in relaxation techniques, such as deep breathing exercises, yoga, or meditation, which might help reduce anxiety and stabilize heart rate.
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Limit Stimulants: Avoid caffeine and other stimulants that could exacerbate symptoms like a rapid heart rate and tremors.
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Plan for Follow-up: Since you’ve already contacted your endocrinologist’s office, consider reaching out again, highlighting the urgency of your symptoms. It might also be helpful to look into urgent care or an alternative endocrinologist if symptoms persist.
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Document Your Symptoms: Write down your symptoms and any potential triggers that worsen them. This information will be helpful for your healthcare provider when you get to speak with them.
You’re doing the right thing by reaching out for help. Make sure to take care of yourself in the meantime, and don’t hesitate to seek immediate help if your symptoms worsen.
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