Treating stroke

Treating ischaemic strokes

If you have had an ischaemic stroke, a combination of medications to treat the condition and prevent it from happening again will usually be recommended.

Some of these medications will need to be taken immediately and only for a short time, while others may only be started once the stroke has been treated and may need to be taken in the long-term.


Ischaemic strokes can often be treated using injections of a medication calledalteplase that dissolves blood clots and restores the flow of blood to the brain. This use of "clot-busting" medication is known as thrombolysis.

Alteplase is most effective if started as soon as possible after the stroke occurs and is not generally recommended if more than four-and-a-half hours have passed, because it's not clear how beneficial it is when used after this time.

However, before alteplase can be used, it is very important that a brain scan to confirm a diagnosis of an ischaemic stroke is carried out because the medication can makethe bleeding that occurs inhaemorrhagic strokes worse.


Most people will also be offered a regular dose of Low dose aspirin which as well as being a painkiller makes the cells in your blood called platelets less sticky, reducing the chances of another clot forming.

In additionto aspirin, other antiplatelet medicines such as clopidogrel and dipyridamole are also available.


Some people may also be offered an additional medication called an anticoagulant to help reduce their risk of developing further blood clots in the future.

Anticoagulants prevent blood clots by changing the chemical composition of the blood in a way that prevents clots from occurring. Warfarin , rivaroxaban, dabigatran and apixaban are examples of anticoagulants for long term use. There are also a number of anticoagulants called heparins that can only be given by injection and are used in the short term.

Anticoagulants may be offered if you:

  • have a type of irregular heartbeat called atrial fibrillation that can cause blood clots
  • havea history of blood clots
  • are at risk of developing clots in your leg veins known as deep vein thrombosis (DVT) because a stroke has left you unable to move one of your legs


If your blood pressure is too high, you may be offered medicines to lower it. Medicines that are commonly used include:

  • thiazide diuretics
  • angiotensin-converting enzyme (ACE) inhibitors
  • calcium channel blockers
  • beta-blockers
  • alpha-blockers

Statins reduce the level of cholesterol in your blood by blocking an enzyme (chemical) in the liver that produces cholesterol.

You may be offered a statin, even if your cholesterol level is not particularly high, because a statin may help reduce your risk of stroke whatever your cholesterol level is.

Carotid endarterectomy

Some ischaemic strokes are caused by narrowing of an artery in the neck called the carotid artery, which carries blood to the brain. The narrowing, known as carotid stenosis, is caused by a build-up of fatty plaques.

If the carotid stenosis is particularly severe, surgery may be offered to unblock the artery. This is done using a surgical technique called a carotid endarterectomy . It involves the surgeon making an incision in your neck to open up the carotid artery and remove the fatty deposits.

Treating haemorrhagic strokes

As with ischaemic strokes, some people who have had a haemorrhagic stroke will also be offered medication, such as ACE inhibitors, to lower blood pressure and prevent further strokes from occurring.

If you were previously taking anticoagulant medicine before you had your stroke, you may also need treatment to reverse the effects of the medication and reduce your risk of further bleeding.


Occasionally, emergency surgery maybe needed to remove any blood from the brain and repair any burst blood vessels. This is usually done using a surgical procedure known as a craniotomy.

During a craniotomy, a section of the skull is cut away to allow the surgeon access to the cause of the bleeding. The surgeon will repair any damaged blood vessels and ensure there are no blood clots present that may restrict the blood flow to the brain.

After the bleeding has been stopped, the piece of bone removed from the skull is replaced, often by an artificial metal plate.

Surgery for hydrocephalus

Surgery can also be carried out to treata complication of haemorrhagic strokes called hydrocephalus .

This is where damageresulting froma stroke causes cerebrospinal fluid to build up in the cavities (ventricles) of the brain, causing symptoms such as headaches , sickness, vomiting and loss of balance.

Hydrocephalus can be treatedby surgically placing an artificialtube called a shuntinto the brain to allow the fluid to drain properly.

Stroke experts have set out standards which define good stroke care, including:

  • a rapid response to a 999 call for suspected stroke
  • prompt transfer to a hospital providing specialist care
  • an urgent brain scan for example, computerised tomography (CT) scan or magnetic resonance imaging (MRI) scan undertaken as soon as possible
  • immediate access to a high-quality stroke unit
  • early multidisciplinary assessment, including swallowing screening
  • stroke specialised rehabilitation
  • planned transfer of care from hospital to community and longer-term support

The National Institute for Health and Care Excellence (NICE) has also produced guidelines on the diagnosis and management of stroke and a quality standard for stroke that describes the level of care the NHS is working towards.

If you are concerned about the standard of care provided, speak to your stroke specialist or a member of the stroke team.

Further reading

What social care services are available?

Practical support for carers

Care after discharge from hospital

Your guide to care and support

Content supplied by the NHS Website

Medically Reviewed by a doctor on 14 Jul 2016