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Sirturo

Sirturo Dosage

Aileen Chu, PharmD, BCPSCydnee Ng, PharmD
Reviewed by Aileen Chu, PharmD, BCPS, Cydnee Ng, PharmD
Last reviewed on September 9, 2025

The average cost for 24 tablets of 100mg of Sirturo is $3,869.47 with a free GoodRx coupon.

tabletTablet

Dosage

Quantity

Price as low as

Price per unit

100mg

24 tablets

$3,869.47

$161.23

20mg

60 tablets

$1,939.26

$32.32

Typical dosage for Sirturo

  • Adults

    • Weeks 1 and 2: Take 400 mg by mouth once a day. To get your full dose, take 4 of the 100 mg tablets, or 20 of the 20 mg tablets.
    • Weeks 3 to 24: Take 200 mg by mouth three times per week (with at least 48 hours between doses). To get your full dose, take 2 of the 100 mg tablets, or 10 of the 20 mg tablets.
  • Children 2 years and older, weighing 66 lbs or more

    • Weeks 1 and 2: Take 400 mg by mouth once a day. To get the full dose, take 4 of the 100 mg tablets, or 20 of the 20 mg tablets.
    • Weeks 3 to 24: Take 200 mg by mouth three times per week (with at least 48 hours between doses). To get the full dose, take 2 of the 100 mg tablets, or 10 of the 20 mg tablets.
  • Children 2 years and older, weighing 33 lbs to less than 66 lbs

    • Weeks 1 and 2: Take 200 mg by mouth once a day. To get the full dose, take 2 of the 100 mg tablets, or 10 of the 20 mg tablets.
    • Weeks 3 to 24: Take 100 mg by mouth three times per week (with at least 48 hours between doses). To get the full dose, take one 100 mg tablet, or 5 of the 20 mg tablets.
  • Children 2 years and older, weighing 22 lbs to less than 33 lbs

    • Weeks 1 and 2: Take 120 mg by mouth once a day. To get the full dose, take 6 of the 20 mg tablets.
    • Weeks 3 to 24: Take 60 mg by mouth three times per week (with at least 48 hours between doses). To get the full dose, take 3 of the 20 mg tablets.
  • Children 2 years and older, weighing 18 lbs to less than 33 lbs

    • Weeks 1 and 2: Take 80 mg by mouth once a day. To get the full dose, take 4 of the 20 mg tablets.
    • Weeks 3 to 24: Take 40 mg by mouth three times per week (with at least 48 hours between doses). To get the full dose, take 2 of the 20 mg tablets.
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Why trust our experts?

Aileen Chu, PharmD, has over 8 years of experience working as a clinical pharmacist in the emergency department. Chu is also a pharmacotherapeutics instructor at Point Loma Nazarene University.
Cydnee Ng, PharmD
Reviewed by:
Cydnee Ng, PharmD
Cydnee Ng, PharmD, is a drug information pharmacist at GoodRx, where she lends her expertise to providing reader-friendly, accessible content about medications. She holds her pharmacist license in California.

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