You should visit the A&E department only if your problem is an emergency. An A&E department deals with genuine life-threatening emergencies. More guidance on when you should go to A&E can be found on the NHS website.
If you have an injury that is not serious you can go to a Minor Injury Unit for help, instead of going to an Accident & Emergency department. By doing this Accident & Emergency departments can concentrate on those with serious and life-threatening conditions.
You can search for your nearest Minor Injury Unit; select hospital from the drop-down, enter full postcode, town/city and click on search. On the Search Results page use the ‘Filter by’ option and select Minor Injury Unit.
Please visit https://111.wales.nhs.uk/localservices/minorinjuryunit/ for a list of injuries that can be treated at a Minor Injury Unit.