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Amitiza

Amitiza Dosage

Robert Chad Hakim, PharmD, BCCCPCydnee Ng, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Cydnee Ng, PharmD
Last reviewed on March 11, 2026

The average cost for 60 capsules of 24mcg of Amitiza is $46.45 with a free GoodRx coupon. This is 85.01% off the average retail price of $309.79.

capsuleCapsule

Dosage

Quantity

Price as low as

Price per unit

8mcg

60 capsules

$43.18

$0.72

24mcg

60 capsules

$46.45

$0.77

Typical dosage for Amitiza

  • Chronic idiopathic constipation (CIC): The typical dose is 24 mcg by mouth twice per day with food and water.
  • Constipation from long-term opioid use: The typical dose is 24 mcg by mouth twice per day with food and water.
  • Irritable bowel syndrome with constipation (IBS-C): The typical dose is 8 mcg by mouth twice per day with food and water.

Your dose might differ if you have liver problems.

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Why trust our experts?

Robert Chad Hakim, PharmD, BCCCP, started his full-time career as a clinical pharmacist at UCLA Health in the general medicine, general cardiology, and ICU units after completing residency in 2016. He also was the preceptor for the general medicine rotation from 2017 to 2021, which was a required rotation for all pharmacy residents.
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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