Mydayis availability varies by location and changes frequently. Rather than calling multiple Costco Pharmacy stores yourself, we verify current stock by phone and let you know exactly which locations have it available.

About Costco Pharmacy

Costco Pharmacy is available to both members and non-members, often offering lower prices on prescription medications.

Find Costco Pharmacy Locations

Mydayis at Costco Pharmacy by State

Select your state to find Mydayis availability at Costco Pharmacy locations near you:

Alabama Alaska Arizona Arkansas California Colorado Connecticut District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maryland Massachusetts Michigan Minnesota Mississippi Missouri Nebraska Nevada New Jersey New Mexico New York North Carolina Ohio Oklahoma Oregon Pennsylvania Rhode Island South Dakota Tennessee Texas Utah Virginia Washington Wisconsin

Tips for Finding Mydayis at Costco Pharmacy

  • Call ahead to verify availability before making the trip
  • Ask when the pharmacy typically receives shipments
  • Have your prescription details ready when you call
  • Be patient with pharmacy staff—they handle many availability inquiries
  • If one location is out, ask if they can check nearby Costco Pharmacy stores
  • Consider checking multiple Costco Pharmacy locations in your area

About Mydayis

Mydayis is an extended-release ADHD medication designed to last up to 16 hours - longer than most other ADHD medications.

Supply Note: Limited availability as a brand-name only medication with restricted distribution.