A stroke is an emergency — know the signs
If you remember one thing from this whole article, make it this: a stroke is a medical emergency, and the most important thing you can do is recognise it fast and call 999. The NHS sometimes calls a stroke a "brain attack", because — like a heart attack — every minute counts. The quicker someone gets to hospital, the more of their brain can be saved, and the better their recovery.
The signs are remembered with the word FAST:
- F — Face. One side of the face may droop. The person may not be able to smile, or their mouth or eye may have dropped on one side.
- A — Arms. They may not be able to lift both arms and keep them up, because of weakness or numbness in one arm.
- S — Speech. Their speech may be slurred or garbled, or they may not be able to talk at all, even though they seem awake.
- T — Time. It's time to call 999 immediately if you see any of these signs.
One sign is enough. This is so important the NHS ran a whole campaign on it: most people wrongly think you need two or three signs before calling 999, but even a single sign is a reason to call 999 straight away. Don't wait to see if it passes. Don't wait for more signs. Don't phone the GP first, and never drive the person to hospital yourself — call 999 and ask for an ambulance.
Some strokes don't show FAST signs. Other sudden warning signs to take just as seriously include sudden numbness or weakness down one side of the body, sudden confusion or trouble understanding, sudden trouble seeing, a sudden severe headache, or sudden dizziness and loss of balance. Any of these, suddenly — call 999.
What a stroke is, briefly
A stroke happens when the blood supply to part of the brain is cut off, so brain cells don't get the oxygen they need and start to be damaged. It's usually caused either by a clot blocking a blood vessel, or by a bleed in the brain. Which abilities are affected — movement, speech, vision, memory — depends on which part of the brain was hurt, which is why no two strokes are quite the same.
Mini-strokes (TIAs) — still a 999 emergency
Sometimes stroke-like signs appear and then pass within minutes or hours. This may be a "mini-stroke", or TIA (transient ischaemic attack). It's tempting to be relieved and brush it off — but the NHS is clear that a TIA is also a medical emergency and an important warning sign that a full stroke could follow, often in the days or weeks after. So even if the signs disappear, treat it seriously: call 999 or get urgent medical help. Symptoms going away does not mean the danger has.
Supporting someone after a stroke
Recovery looks very different from person to person — some people recover quickly, others need longer-term support with movement, speech, or daily life. After the emergency is over, your role shifts to steady, patient support, working alongside the stroke team (which may include physiotherapists, speech and language therapists, and others).
Helpful, in-role things you can do:
- Support their rehab. Encourage and help with the exercises and activities their therapists have set — these are how people rebuild skills. Your role is to support what the team has planned, not to invent your own.
- Be patient with communication. A stroke can affect speech and understanding. Give plenty of time, keep things calm and simple, and don't rush or finish sentences unless they want you to. Frustration is common and understandable — your patience helps.
- Help with daily living. Support with washing, dressing, eating, and moving about, in the way their care plan describes, while encouraging them to do what they can to rebuild independence.
- Watch for swallowing problems. Strokes can affect swallowing, which can be dangerous. If someone coughs, chokes, or struggles with food or drink, report it — and follow any guidance the team has given about how they should eat and drink.
- Support their mood. Low mood, anxiety, and frustration are common after a stroke. Company, encouragement, and noticing when someone is struggling all matter — and persistent low mood is something to report, not to leave.
- Support medicines and appointments. Many people take medicines after a stroke to lower the risk of another one. Help them keep to their routine as the care plan sets out, and support them to attend follow-ups and their six-month review.
Knowing your role
In an emergency, your role is huge and simple: recognise FAST, and call 999. In recovery, your role is to support, encourage, notice, and report — not to diagnose, to decide on or change medicines, or to carry out therapies that belong to the stroke team. And one rule never changes: if FAST signs ever return, even in someone who has had a stroke before, call 999 immediately. A new stroke is always an emergency.
The takeaway
The single most valuable thing any carer can do about stroke is to know the FAST signs and call 999 at the very first one — without waiting, without second-guessing. After that, recovery is a patient, day-by-day journey where your steady support, encouragement, and watchful eye make a real difference. Recognise fast, act fast, and support kindly — that's how you help someone through a stroke.
Where this comes from
- NHS — Stroke; Act FAST; TIA (transient ischaemic attack) (nhs.uk)
- Stroke Association — recognising stroke and life after stroke (stroke.org.uk)
This article is general information to build awareness. It is not medical advice and not a substitute for a person's care plan or their stroke team. Always follow the care plan and current professional guidance, and call 999 immediately if you suspect a stroke.