Subclinical Hyperthyroidism

Medically reviewed by Drugs.com. Last updated on May 4, 2025.

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Subclinical hyperthyroidism is a condition that develops when the amount of thyroid stimulating hormone (TSH) in your blood is low. TSH is made in the brain and controls how much thyroid hormone is made. Thyroid hormones help control body temperature, heart rate, growth, and weight. Subclinical hyperthyroidism can lead to hyperthyroidism.

DISCHARGE INSTRUCTIONS:

Call 911 for any of the following:

• You have sudden chest pain or shortness of breath.
• You have a seizure.
• Your heart is beating faster than usual.
• You feel like you are going to faint.

Contact your healthcare provider if:

• You have a fever.
• You have pain, redness, and swelling in your muscles and joints.
• Your signs and symptoms return or become worse.
• You have questions or concerns about your condition or care.

Drugs used to treat this and similar conditions

Treatment options

The following list of medications are related to or used in the treatment of this condition.

• levothyroxine
• Synthroid
• Armour Thyroid
• Levoxyl
• Tirosint

Medicines:

• Antithyroid medicines decrease thyroid hormone levels and your symptoms.
• Take your medicine as directed. Contact your healthcare provider if you think your medicine is not helping or if you have side effects. Tell your provider if you are allergic to any medicine. Keep a list of the medicines, vitamins, and herbs you take. Include the amounts, and when and why you take them. Bring the list or the pill bottles to follow-up visits. Carry your medicine list with you in case of an emergency.

Nutrition:

You may need to eat more to give your body the extra energy it needs. Foods high in protein will help prevent weight loss. Ask your healthcare provider which foods are best for you.

Follow up with your healthcare provider as directed:

You may need to return for more blood tests to check your thyroid hormone level. This will show if you are getting the right amount of medicine. Do not stop taking your medicines without talking to your healthcare provider first. Write down your questions so you remember to ask them during your visits.

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

Further information

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