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Although the symptoms of a transient ischaemic attack (TIA) resolve in a few minutes or hours without any specific treatment, you'll need treatment to help prevent another TIA or a full stroke from happening in the future.
A TIA is a warning sign that you're at increased risk of having a full stroke in the near future. The highest risk is in the days and weeks following the TIA.
A stroke is a serious health condition that can cause permanent disability and can be fatal in some cases, but appropriate treatment after a TIA can help to reduce your risk of having a stroke.
Your treatment will depend on your individual circumstances, such as your age and medical history. Your healthcare team can discuss treatment options with you and tell you about possible benefits and risks.
Treatments include:
There are several lifestyle changes you can make that may help to reduce your chances of having a stroke after a TIA.
These include:
Most people who have had a TIA will need to take 1 or more medicines every day, long term, to help reduce their chances of having a stroke or another TIA.
You'll probably be given low-dose aspirin straight after a TIA.
Aspirin works as an antiplatelet medicine.
Platelets are blood cells that help blood to clot.
Antiplatelet medicines work by reducing the ability of platelets to stick together and form blood clots.
You may also be given other antiplatelet medicines, such as clopidogrel or dipyridamole.
The main side effects of antiplatelet medicines include indigestion and an increased risk of bleeding. For example, you may bleed for longer if you cut yourself and you may bruise easily.
Anticoagulant medicines can help to prevent blood clots by changing the chemical composition of your blood in a way that stops clots from forming.
They're usually offered to people who had a TIA that was caused by a blood clot in their heart. This is often due to a condition called atrial fibrillation, which causes your heart to beat irregularly.
Warfarin, apixaban, dabigatran, edoxaban and rivaroxaban are examples of anticoagulants that may be offered to some people who have had a TIA.
A side effect of all anticoagulants is the risk of bleeding, because these medicines reduce the blood's ability to clot. You may need regular blood tests while taking warfarin, so doctors can check your dose is not too high or too low.
Find out more about anticoagulants.
If you have high blood pressure, you'll be offered a type of medicine called an antihypertensive to control it. This is because high blood pressure increases your risk of having a TIA or stroke.
There are lots of different types of medicine that can help control blood pressure, including:
Your doctor will advise you about which antihypertensive is the most suitable for you. Some people may be offered a combination of 2 or more different medicines.
Find out more about treating high blood pressure.
If you have high cholesterol, you'll be advised to take a medicine known as a statin. Statins reduce the level of cholesterol in your blood by blocking an enzyme in the liver that produces cholesterol.
Statins may also help to reduce your risk of a stroke whatever your cholesterol level is. You may be offered a statin even if your cholesterol level is not particularly high.
Examples of statins often given to people who have had a TIA include atorvastatin, simvastatin and rosuvastatin.
Find out more about statins.
In some cases, an operation called a carotid endarterectomy may be recommended after having a TIA.
A carotid endarterectomy involves removing part of the lining of the carotid arteries – the main blood vessels that supply the head and neck – plus any blockage inside the carotid arteries.
When fatty deposits build up inside the carotid arteries, the arteries become hard and narrow, making it more difficult for blood to flow to your brain.
This is known as atherosclerosis and can lead to TIAs and strokes if the blood supply to the brain becomes disrupted.
By unblocking the carotid arteries when they have become moderately or severely narrowed, a carotid endarterectomy can significantly reduce the risk of having a stroke or another TIA.
Find out more about a carotid endarterectomy.
Although a TIA should not have a long-term impact on your daily activities, you must stop driving immediately.
If your doctor is happy that you have made a good recovery and there are no lasting effects after 1 month, you can start driving again.
If you’re a car driver then you do not need to inform the Driver and Vehicle Licensing Agency (DVLA), but you should contact your car insurance company.
You will need to contact the DVLA if you hold a bus or lorry licence.
GOV.UK has more information about telling the DVLA about a medical condition or disability.
