Patients are being asked to only attend the A&E department of Blackpool Victoria Hospital if the situation is urgent.
That's following the cyber attack on the NHS yesterday, affecting Blackpool Teaching Hospitals NHS Trust.
Health bosses have appealed for people to patient as other departments will be slower than normal, but patients should attend weekend appointments at both the Vic and surgeries unless told otherwise.
The Walk-In Centre on Whitegate Drive, and Same Day Health Centre in Fleetwood will also treat urgent but non life-threatening illnesses and injuries as normal, but again you're asked to only use these services if necessary.
And people can also get medical advice from their local pharmacy.
A statement from the NHS Blackpool Clinical Commissioning Group says: ''There is an ongoing IT issue affecting NHS computer systems across Blackpool, Fylde and Wyre.
''NHS services are open and operating as normal. However, we ask local people for their understanding and encourage the appropriate use of these services.
''Please only visit the A&E department at Blackpool Victoria Hospital in urgent and emergency situations.
''The Walk-In Centre on Whitegate Drive and Same Day Health Centre in Fleetwood will treat urgent but non life-threatening illnesses and injuries as normal.
''If you need medical advice for a non-urgent condition over the weekend, the NHS 111 helpline can provide fast and free advice. Your local pharmacy can also advise of treatment for minor ailments.
''We thank local people for their understanding and cooperation.''