Call 999 in an emergency. Chest pains and / or shortness of breath constitute an emergency.
For less urgent situations:
When it is less urgent than 999
NHS 111 is a service that was introduced to make it easier for you to access local NHS healthcare services in England. You can call 111 or use 111.nhs.uk when you need medical help fast but it’s not a 999 emergency. NHS 111 is a fast and easy way to get the right help, whatever the time.
NHS 111 is available 24 hours a day, 365 days a year. Calls are free from landlines and mobile phones.