A health board is warning people only to come to accident and emergency departments if their situation is urgent or life-threatening, as hospitals face "significant pressures".
NHS Greater Glasgow and Clyde (NHSGGC) made the plea after an increase in patient attendance over the last few days.
It said the spike in emergency department attendances has resulted in increased pressure within the emergency departments during an already challenging period.
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Dr Scott Davidson, Deputy Medical Director for Acute Services at NHS Greater Glasgow and Clyde, said: "We understand there may have been in increase in A&E attendances following the bad weather over the last week but we would ask patients to seek out the most appropriate treatment service for your needs.
"If you have had a slip on the ice you can call NHS24 first to ensure any visit to A&E is essential. The NHS24 team may transfer your to our Virtual A&E nurses who can provide advice over the phone or schedule an appointment at a Minor Injuries Unit.
"We apologise to any patients who have had to wait longer for emergency care as our hospitals are currently facing significant pressures.
"Our staff are working relentlessly to ensure patients receive the best care possible and an alternative service to A&E may be the best option for your condition."
The health board said that patients can use local pharmacies, NHS Inform and the virtual A&E service, which may result in faster treatment than at A&E, and said that this helps ring-fence A&E for those with life-threatening injuries and very urgent illnesses.
Dr Davidson added: "I would like to thank the members of staff across our NHS board for their continual hard work as well as members of the public for their understanding around the potential longer wait times to be treated at our A&E departments."
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