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Liothyronine

Liothyronine Dosage

Kristianne Hannemann, PharmDDaisy Chau, PharmD
Reviewed by Kristianne Hannemann, PharmD, Daisy Chau, PharmD
Last reviewed on August 24, 2026

The average cost for 90 tablets of 5mcg of Liothyronine is $24.90 with a free GoodRx coupon. This is 14.99% off the average retail price of $29.29.

tabletTablet

Dosage

Quantity

Price as low as

Price per unit

25mcg

90 tablets

$44.95

$0.50

50mcg

90 tablets

$48.74

$0.54

5mcg

90 tablets

$24.90

$0.28

Typical dosage for Liothyronine

Hypothyroidism:

  • Adults: The typical starting dose is 25 mcg by mouth once a day. Your prescriber might raise your dose every 1 to 2 weeks based on your thyroid hormone levels and how you respond. The usual maintenance dose is 25 mcg to 75 mcg once a day.
    • Your dose might be lower if you are an older adult or have heart problems.
  • Children: The typical starting dose is 5 mcg by mouth once a day. Your child's prescriber might raise the dose every 3 to 4 days based on their response.
    • Your child's dose might be lower if they are at risk for heart problems or hyperactivity.

Thyroid cancer: Your dose will depend on your thyroid hormone levels and the stage of cancer.

Thyroid suppression test: The typical dose is 75 mcg to 100 mcg by mouth once a day for 7 days.

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