There are no 24-hour walk-in clinics operating in Mississauga, Ontario as of 2015. The Multi-Specialty Medical Clinic is open seven days per week from 8 a.m. to 11 p.m. In urgent cases, visit the emergency rooms of the Credit Valley Hospital or Mississauga Hospital.
Credit Valley Hospital is located at 2200 Eglington Avenue West. It is open during holidays.
Mississauga Hospital is located at 100 Queensway West. It has a full service emergency department, including resuscitation and trauma, acute care, urgent care, acute psychiatric care, minor treatment hall, and pediatric hall.
Both hospital emergency rooms are open 24 hours and seven days per week. They are part of the Trillium Health Partners group.