13 November 2026
“Thyroid toxicity” is the everyday name for having too much thyroid hormone in the blood, usually because the gland is overactive.
Common symptoms
- Fast heartbeat and palpitations.
- Weight loss despite a good appetite.
- Nervousness, tremor and feeling hot.
- Poor sleep and tiredness.
When is surgery considered?
Treatment usually starts with medication. Surgery may be advised in some cases — for example a large goitre causing pressure, no response to treatment, or associated nodules. The doctor recommends the best option after examination and tests.
This information is for general awareness and does not replace a medical consultation.