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Diane-35 starts at $20.00 per month, while Yaz starts at $29.00 per month in Canada. Diane-35 contains cyproterone/ethinyl estradiol, while Yaz contains drospirenone/ethinyl estradiol. Last updated: 2026-02-26.

Head-to-Head Comparison

Diane-35 Yaz
Price Range $20–$40 per month $29–$50 per month
Cheapest Pharmacy Costco ($19.49 per month) Costco ($28.99 per month)
Generic Name cyproterone/ethinyl estradiol drospirenone/ethinyl estradiol
Route Oral pill Oral pill
Category Birth Control Birth Control
ODB Coverage General Benefit General Benefit

Pharmacy Total Breakdown

Pharmacy Diane-35 Yaz
Costco $19.49 per month $28.99 per month
Walmart $30.97 per month $40.17 per month
Rexall $36.99 per month $46.79 per month
Shoppers Drug Mart $39.99 per month $49.09 per month

Frequently Asked Questions

Which is cheaper, Diane-35 or Yaz?
Diane-35 is generally cheaper, starting at $20.00 per month compared to $29.00 per month for Yaz. The lowest price is at Costco ($19.49 per month).
What is the difference between Diane-35 and Yaz?
Diane-35 (cyproterone/ethinyl estradiol) and Yaz (drospirenone/ethinyl estradiol) are different medications in the birth control category.
Is Diane-35 or Yaz covered by provincial drug plans?
Diane-35: General Benefit on the Ontario Drug Benefit formulary. Yaz: General Benefit on the Ontario Drug Benefit formulary.

Last updated: 2026-02-26

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