Costco's fee is less than half of what London Drugs, Save-On Foods, Zellers, Walmart and Safeway charge – and three times cheaper than some Pharmasave locations, which charges as much as $13.99 at some outlets.

And you don't need to be a member to have your prescription filled at the members-only store.

Here's a look at the dispensing fees at common retail pharmacies:

• Costco - $4.49
• London drugs - $9.60
• Save-On-Foods - $10.00
• Zellers - $10.00
• Walmart - $10.00
• Safeway - $11.00
• Pharmasave - up to $13.99 (price varies by store)