Subclinical Hypothyroidism

Medically reviewed by Drugs.com. Last updated on Jun 2, 2025.

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AMBULATORY CARE:

Subclinical hypothyroidism

is a condition that develops when your thyroid stimulating hormone (TSH) level is higher than normal. TSH is made in the brain and controls how much thyroid hormones are made. Thyroid hormones help control body temperature, heart rate, growth, and weight. Subclinical hypothyroidism can lead to hypothyroidism.

Common signs and symptoms of subclinical hypothyroidism:

Any of the following may develop slowly, sometimes over several years:

• Exhaustion
• Sensitivity to cold
• Headaches or decreased concentration
• Muscle aches or weakness
• Constipation
• Dry, flaky skin or brittle nails
• Thinning hair
• Heavy or irregular monthly periods
• Depression or irritability

Call 911 for any of the following:

• You have sudden chest pain or shortness of breath.
• You have a seizure.
• You feel like you are going to faint.

Related medications

Seek care immediately if:

• You have swelling in your legs, ankles, or feet.
• Your heart is beating faster or slower than is normal for you, or you feel restless.

Contact your healthcare provider if:

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

Treatment

depends on the amount of thyroid hormones in your body. You may need thyroid hormone replacement medicine to bring your thyroid hormone level back to normal.

Treatment options

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

• levothyroxine
• Synthroid
• Armour Thyroid
• Levoxyl
• Tirosint

View more treatment options

Follow up with your healthcare provider as directed:

You will need to return for more blood tests to check your thyroid hormone level. Write down your questions so you remember to ask them during your visits.

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