Blood clots can be very serious and need to be treated quickly. Staying healthy and active can help prevent them.
Symptoms of a blood clot include:
Blood clots can be life threatening if not treated quickly.
111 will tell you what to do. They can arrange a phone call from a nurse or doctor if you need one.
Get an urgent GP appointment
A GP may be able to help you.
Ask your GP practice for an urgent appointment.
A blood clot in a leg is called deep vein thrombosis (DVT).
This could be a blood clot in the lungs (pulmonary embolism), which needs to be treated immediately.
Blood clots are rare in young, healthy people.
You're more likely to get them if you:
There are also other things that increase your risk of clots.
If you're at a high risk of blood clots – for example, you're in hospital – follow the advice of your care team about preventing clots.
This may involve wearing stockings that improve your blood flow or taking medicine to reduce the risk of clots (anticoagulants).
There are also things you can do to help avoid clots.
Our guide to care and support explains your options and where you can get support.