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Hyperthyroidism means that the thyroid gland makes too much thyroid hormone. A high thyroid level can cause a child to be hot and sweaty or to lose weight. It also may cause a fast heart rate. Your child may be very active but tire quickly. The disease often makes children feel very nervous. This makes it harder for a child to stay focused on tasks or to sleep.
Graves' disease is a common cause of high thyroid levels. It almost always needs treatment. Thyroiditis can also cause thyroid levels to rise. It usually goes away on its own.
Hyperthyroidism can be a serious disease. But most of the time children do well after they start treatment.
Follow-up care is a key part of your child's treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if your child is having problems. It's also a good idea to know your child's test results and keep a list of the medicines your child takes.
Call 911 anytime you think your child may need emergency care. For example, call if:
Call your doctor or nurse advice line now or seek immediate medical care if:
Watch closely for changes in your child's health, and be sure to contact your doctor or nurse advice line if:
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Current as of: March 1, 2023
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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