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Omeprazole starts at $8/mo, while Esomeprazole starts at $12/mo in Canada. Omeprazole contains omeprazole (Losec), while Esomeprazole contains esomeprazole (Nexium). Last updated: 2026-02-26.

Head-to-Head Comparison

Omeprazole Esomeprazole
Price Range $8–$20/mo $12–$25/mo
Cheapest Pharmacy Costco ($5.00/mo) Costco ($8.00/mo)
Generic Name omeprazole (Losec) esomeprazole (Nexium)
Route Oral capsule Oral capsule
Category GI GI
ODB Coverage General Benefit General Benefit

Pharmacy Price Breakdown

Pharmacy Omeprazole Esomeprazole
Costco $5.00/mo $8.00/mo
Walmart $10.00/mo $14.00/mo
Rexall $12.50/mo $17.00/mo
Shoppers Drug Mart $14.50/mo $19.50/mo

Frequently Asked Questions

Which is cheaper, Omeprazole or Esomeprazole?
Omeprazole is generally cheaper, starting at $8.00/mo compared to $12.00/mo for Esomeprazole. The lowest price is at Costco ($5.00/mo).
What is the difference between Omeprazole and Esomeprazole?
Omeprazole (omeprazole (Losec)) and Esomeprazole (esomeprazole (Nexium)) are different medications in the gi category.
Is Omeprazole or Esomeprazole covered by provincial drug plans?
Omeprazole: General Benefit on the Ontario Drug Benefit formulary. Esomeprazole: General Benefit on the Ontario Drug Benefit formulary.

Last updated: 2026-02-26

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