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Arcalyst

Arcalyst Dosage

Ally Tsai, PharmDDaisy Chau, PharmD
Reviewed by Ally Tsai, PharmD, Daisy Chau, PharmD
Last reviewed on May 16, 2025

The average cost for 4 vials of 220mg of Arcalyst is $26,876.74 with a free GoodRx coupon.

vialVial

Dosage

Quantity

Price as low as

Price per unit

220mg

4 vials

$26,876.74

$6,719.19

Typical dosage for Arcalyst

Arcalyst needs to be mixed with sterile water before injection.

Adults

  • CAPS and RP: The starting dose is two separate 160 mg injections given under the skin in two different spots on your body on the same day. After that, you'll inject one 160 mg injection once a week.
  • DIRA: The typical dose is two separate 160 mg injections given under the skin, once a week.

Children: The dose will depend on the child’s weight.

  • CAPS and RP (ages 12 to 17): The starting dose is 4.4 mg/kg injected under the skin. After that, your pediatrician will lower the dose to 2.2 mg/kg under the skin once a week.
  • DIRA (weighing at least 10 kg or 22 lbs): The typical dose is 4.4 mg/kg injected under the skin once a week.
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