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Duloxetine starts at $13.00 per month, while Desvenlafaxine starts at $16.00 per month in Canada. Duloxetine contains duloxetine (Cymbalta), while Desvenlafaxine contains desvenlafaxine (Pristiq). Last updated: 2026-02-26.

Head-to-Head Comparison

Duloxetine Desvenlafaxine
Price Range $13–$33 per month $16–$38 per month
Cheapest Pharmacy Costco ($12.49 per month) Costco ($15.49 per month)
Generic Name duloxetine (Cymbalta) desvenlafaxine (Pristiq)
Route Oral tablet Oral tablet
Category Mental Health Mental Health
ODB Coverage General Benefit Limited Use

Pharmacy Total Breakdown

Pharmacy Duloxetine Desvenlafaxine
Costco $12.49 per month $15.49 per month
Walmart $23.97 per month $27.97 per month
Rexall $29.99 per month $34.99 per month
Shoppers Drug Mart $32.49 per month $37.99 per month

Frequently Asked Questions

Which is cheaper, Duloxetine or Desvenlafaxine?
Duloxetine is generally cheaper, starting at $13.00 per month compared to $16.00 per month for Desvenlafaxine. The lowest price is at Costco ($12.49 per month).
What is the difference between Duloxetine and Desvenlafaxine?
Duloxetine (duloxetine (Cymbalta)) and Desvenlafaxine (desvenlafaxine (Pristiq)) are different medications in the mental health category.
Is Duloxetine or Desvenlafaxine covered by provincial drug plans?
Duloxetine: General Benefit on the Ontario Drug Benefit formulary. Desvenlafaxine: Limited Use on the Ontario Drug Benefit formulary.

Last updated: 2026-02-26