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Pharmacy Guide

24-Hour Pharmacies in Canada: Emergency Prescription Guide

When you need a prescription filled at midnight or on a holiday, knowing where to find a 24-hour pharmacy can make all the difference. Here is your guide to late-night options across Canada.

TransparentMedz Team
February 12, 2026
4 min read
732 words

When You Need a Pharmacy After Hours

Medical emergencies do not wait for business hours. Whether you have a child with a sudden fever, a new prescription from an emergency room visit, or you have simply run out of a critical medication, finding an open pharmacy late at night can be stressful. Here is what you need to know about 24-hour pharmacy options across Canada.

24-Hour Pharmacy Options by Chain

Shoppers Drug Mart

Shoppers Drug Mart operates the largest network of 24-hour pharmacies in Canada. Not every location is 24 hours, but major cities typically have several.

CityNumber of 24-Hour Locations (approx.)
Toronto15 - 20
Vancouver5 - 8
Calgary4 - 6
Ottawa5 - 7
Montreal8 - 12 (as Pharmaprix)
Edmonton4 - 6
Winnipeg3 - 4

Rexall

Rexall has limited 24-hour locations, primarily in Ontario. Most Rexall stores close by 9 PM or 10 PM.

London Drugs

London Drugs does not offer 24-hour pharmacy service. Most locations close by 9 PM.

Walmart and Costco

Neither Walmart nor Costco pharmacies operate 24 hours. Walmart pharmacies typically close by 9 PM, and Costco by 6 PM.

How to Find a 24-Hour Pharmacy Near You

Method 1: Shoppers Drug Mart Store Locator

Visit the Shoppers Drug Mart website, enter your postal code, and filter by "24 hours." This is the most reliable way to find a late-night pharmacy.

Method 2: Google Maps

Search "24 hour pharmacy near me" on Google Maps. It will show open pharmacies based on your current location and the time of your search.

Method 3: Call 811

Most provinces operate a health information line at 811. Nurses on staff can direct you to the nearest open pharmacy.

Method 4: Check TransparentMedz

TransparentMedz includes pharmacy hours in its listings, making it easy to find nearby options that are currently open.

What to Know Before Your Late-Night Visit

Bring These Items

  • Your prescription (paper or electronic — confirm with the pharmacy)
  • Photo ID (required for controlled substances)
  • Insurance card (if applicable; after-hours claims process normally)
  • List of current medications (helps the pharmacist check for interactions)

Expect Longer Wait Times

24-hour pharmacies often operate with reduced overnight staff. A prescription that takes 15 minutes during the day may take 30 to 45 minutes at 2 AM. Plan accordingly.

Limited Stock After Hours

Some medications may not be in stock during overnight hours. Common medications like antibiotics, pain relievers, and blood pressure drugs are usually available. Specialty or less common drugs may not be.

Emergency Alternatives When No Pharmacy Is Open

Hospital Pharmacy

If you are in a medical emergency, hospital pharmacies can dispense medications around the clock. Note that they typically only fill prescriptions written by their own emergency department.

Emergency Prescription From a Pharmacist

In most Canadian provinces, pharmacists can provide an emergency supply of medication without a prescription if you have taken the drug before. This is typically a few days' worth — enough to get you through until you can see your doctor.

ProvinceEmergency Supply Allowed?Typical Supply
OntarioYesUp to 3 days
British ColumbiaYesUp to 72 hours
AlbertaYesUp to 72 hours
QuebecYesVaries
ManitobaYesUp to 72 hours

Telehealth Services

Services like Maple and Tia Health offer virtual doctor visits 24/7. A doctor can write a new prescription electronically and send it to the pharmacy of your choice for morning pickup.

Prevention: Avoiding After-Hours Pharmacy Trips

The best strategy is to never need a late-night pharmacy visit in the first place:

  • Set medication reminders so you refill before you run out
  • Keep a 3-day emergency supply in a clearly labeled container
  • Use auto-refill services offered by most pharmacies and mail-order services
  • Save your nearest 24-hour pharmacy in your phone contacts now, before you need it
  • Use TransparentMedz to compare pharmacies in your area, including their hours, so you know your options before an emergency arises.

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