Those needing emergency treatment are still be advised to go to A&E or call 999 for an ambulance
The emergency department at Noble's Hospital is warning it's currently experiencing extremely high demand.
Manx Care says anyone attending will face significantly extended waiting times.
It's asking people with minor issues to go to the Ramsey Minor Injuries Unit instead or speak to their local pharmacist.
Those needing emergency treatment are still be advised to go to A&E or call 999 for an ambulance.