Hyperthyroidism
Answers to common questions about hyperthyroidism.
Questions on this page
What is hyperthyroidism?
Hyperthyroidism means the thyroid is producing too much thyroid hormone.
It makes many body functions work faster than normal. NIDDK Reference
What are the symptoms?
Weight loss
Palpitations
Trembling
Sweating
Heat intolerance
Anxiety
Increased bowel movements
Muscle weakness
Difficulty sleeping
What causes hyperthyroidism?
Common causes include:
- Graves' disease
- Toxic thyroid nodule
- Toxic multinodular goitre
- Thyroiditis
- Excess thyroid hormone medication
Excess iodine in some situations NIDDK Reference