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    Scared of needles? How to get through your flu jab or blood test

    A row of small grey tiles rising in a gentle stair, one tile near the bottom highlighted in blue

    If you are scared of needles, the first thing to work out is whether you are the kind who goes faint or the kind who just gets frightened, because the advice for each is different. If you go faint, NHS and blood service guidance points you to tensing your big muscles, not relaxing them, and to telling the nurse so you can lie down. If you get frightened but stay upright, slow breathing on the day and a gradual run of small practice steps beforehand are what the sources suggest.

    Two kinds of needle fear

    the faint-prone kind

    You go grey, sick or faint

    What happens
    Heart rate and blood pressure rise, then drop
    What the sources suggest
    Tense your big muscles to keep blood pressure up
    On the day
    Tell the nurse you faint. Ask to lie down. Eat and drink first
    Before the day
    Practise the tensing for about a week

    the anxious kind

    You panic but stay upright

    What happens
    Racing heart and an urge to leave
    What the sources suggest
    A slow breathing exercise
    On the day
    Tell the nurse you are nervous
    Before the day
    Small practice steps, rated 0 to 10

    Plenty of people are both. If you have ever felt faint, start with the left card.

    Source: Guy's and St Thomas' NHS Foundation Trust needle phobia leaflet, and Scottish National Blood Transfusion Service donor advice, checked 24 October 2026.

    Guy's and St Thomas' NHS Foundation Trust says needle phobia affects at least 1 in 10 people. Its leaflet explains the fainting part plainly. For many people, when the fear is triggered, their heart rate and blood pressure go up and then rapidly drop, and that drop is what can make them faint.

    That is unusual for a fear. A 2014 case report by Pitkin and Malouff describes fainting as an unusual characteristic for a type of phobia. Most fears just leave you with a racing heart and an urge to get out.

    So the same leaflet splits the advice in two:

    • If your fear is linked to fainting or feeling faint, it suggests a technique called applied tension.
    • If you feel panicky but not faint, it suggests a breathing exercise instead.

    Have you fainted, gone grey, or felt sick and clammy during a jab or a blood test? Then you are probably in the first group, even if you also feel panicky. If it is a pounding heart and an urge to leave, but you have never come close to passing out, you are probably in the second.

    Why "just breathe and relax" can be the wrong way round

    "Take a deep breath and relax" is what most people get told in the chair, and for the panicky kind it is reasonable advice. For the faint-prone kind, the NHS and blood service guidance asks for the opposite. The point of applied tension is to keep your blood pressure up. Relaxing is about bringing your body down.

    You will read online that relaxation makes fainting worse. The research is less tidy than that. In one of Lars-Göran Öst's own trials, published in 1989, applied relaxation also helped people with blood phobia; applied tension was favoured mainly because it got there in about half the time. And a 2010 review by Ritz, Meuret and Ayala found that the neat "rise then drop" pattern has rarely been shown in the lab, and argued that calling applied tension the perfect answer is premature.

    So the fair version is this. For people who faint, the technique the NHS leaflet and the blood services teach is tensing, not relaxing. We cannot tell you relaxing is dangerous, and we are not going to.

    What applied tension is, as the sources describe it

    There are two published versions. Use whichever one the nurse or leaflet in front of you uses.

    The Guy's and St Thomas' version (a hospital leaflet on needle phobia):

    1. Sit comfortably.
    2. Tense the muscles in your arms, upper body and legs, and hold for 10 to 15 seconds.
    3. Let go and sit normally.
    4. After 20 to 30 seconds, tense again.
    5. Do this 5 times.
    6. Practise the whole sequence 3 times a day for about a week before your appointment.

    It adds two cautions: if you get headaches afterwards, leave out your face and head, and be careful tensing any part of your body where you have health problems.

    The Scottish National Blood Transfusion Service version (a card for blood donors): cross your right calf over your left, squeeze your thighs together, tense your stomach and point your toes back towards you. Hold for five seconds, relax for five, and do that five times, then swap legs. It says to do it before the needle goes in, before it comes out, before you get up, or any time you feel unwell.

    The best evidence summary we found is a 2015 systematic review by McMurtry and colleagues. It found that applied tension reduced fainting compared with exposure alone, both straight after and a year later. That result comes from one small trial of 20 people, so read it as encouraging rather than settled.

    On the day

    Only what the sources support.

    • Tell the person giving the jab, before they start. Guy's and St Thomas' says to tell staff about your fear.
    • Say if you have fainted before, and ask to lie down. The NHS fainting page says that if you feel faint you should lie down with your legs raised, or if you can't, sit with your head between your knees. Asking to lie down for the jab means you are already there. The US Centers for Disease Control and Prevention says people should sit or lie down for a vaccination and be watched for 15 minutes afterwards. We could not find an equivalent UK public page that says the same thing in so many words.
    • Eat and drink beforehand. The Scottish blood service suggests something salty or savoury and three glasses of water in the three hours before you give blood, and a 500ml drink while you wait. NHS Blood and Transplant says to drink plenty in the 24 hours before and avoid alcohol. That advice is written for people giving blood, which is a bigger event than a jab, but there is no reason to turn up hungry and dry.
    • Use the tensing if you are the fainting kind. Before the needle, as it comes out, and before you stand up.
    • Get up slowly. The blood service advice is to wait for the feeling to settle before getting up.

    The gradual part, before the day

    The tensing is for the fainting. It does nothing about the dread that leaves the invitation text unanswered for three weeks. That part is about doing small versions first.

    Guy's and St Thomas' suggests building a fear ladder: list the situations, rate each one 0 to 10, start with the easiest and work up. The McMurtry review found that in-person exposure reduced needle fear in adults straight afterwards, though not at one year, again from small numbers. Their 2016 guideline rated the evidence as very low quality on average. We are telling you that because you would want to know.

    Here is an example ladder. Your numbers will be different, and you should rate your own.

    StepExample fear rating (0 to 10)Note
    Read the invitation text and reply, without booking2Just opening it counts
    Look at a photo of a syringe for 30 seconds3Close-ups are harder than distance shots
    Watch a short video of someone getting a jab4Pause it if you need to, then carry on
    Sit in a pharmacy waiting area for ten minutes5No appointment, just the room
    Book the appointment5Can feel harder than it looks
    Ring or message to say you are scared of needles and ask to lie down6Gets the hard conversation done early
    Practise the tensing in the waiting room on a normal visit6Only if you are the fainting kind
    Have the jab or the blood test8Tensing if you faint, breathing if you panic

    If you want more on what the numbers mean, we wrote a short piece on the 0 to 10 rating.

    Where Conquer Fear fits, and where it doesn't

    Conquer Fear is our app, so read this part as interested.

    It does not teach applied tension. It does not teach breathing or any physical technique, and it has no audio or video. Our own fear of needles page says that for the fainting part you should tell the nurse and ask to lie down, and its example ladder ends with going to the appointment with a distraction and a breathing plan, which suits the panicky kind. If you are the fainting kind, use the tensing from the leaflets above instead and have a word with the nurse. That is not something we can do for you.

    What it does is the gradual part. You name your goal, say a flu jab before Christmas, and the fear in the way. It writes a ladder of small real-world steps for that fear, shows you one at a time, and asks you to rate your fear 0 to 10 before and after each go. If a step is too big you can tap "Make it smaller" and it splits it. A step you turned up to but didn't finish still gets logged.

    In the clip we typed the goal "Get my flu jab at the pharmacy", the fear "Needles", that we avoid booking and feel light-headed around needles, and the starting point "Read the flu jab invitation text from my GP". It wrote 24 steps, from reading the invitation aloud, through photos and a video of a flu jab, holding a syringe with the cap on, booking, and sitting in the pharmacy waiting area, to having the jab and staying seated for 2 minutes afterwards. Note that nothing in it is the tensing, which you still need from the leaflets if you faint. Recorded on a test account on 25 October 2026, with the waiting time cut and nothing else edited.

    It doesn't pace you to a date, so if your appointment is on Thursday it won't know that. It is iOS only and needs a connection. The free tier gives you one ladder and its first three steps, which may be enough for a single jab. Premium is £9.99 a month or £49.99 a year, with a 7 day free trial on the annual plan. It is on the App Store.

    If you have one appointment next week and you know you faint, you probably don't need an app at all. You need the tensing, a snack, and to say the words "I faint with needles, can I lie down?" out loud.

    When to talk to your GP

    • You are avoiding care you need. If fear of needles has stopped you having a blood test, a vaccine or a procedure you have been told you need, tell your GP. Guy's and St Thomas' also says you can refer yourself to your local NHS Talking Therapies service, or ask your GP to refer you.
    • You are pregnant. Blood tests are part of antenatal care, so tell your midwife early rather than on the day. Some NHS maternity services have their own needle phobia leaflets, so ask whether yours does.
    • You have fainted. The NHS fainting page says to see a GP if you have fainted, so the cause can be checked. Don't assume it was only the needle.
    • The NHS page lists when to call 999, including if someone can't be woken within a minute, has chest pain or a racing heart, or fainted while exercising or lying down.

    Sources

    All checked 24 October 2026.

    We looked for Anxiety UK's needle phobia guidance, but its fact sheet is a paid download and we did not buy it, so nothing here comes from it.

    Conquer Fear is a self-help tool inspired by exposure principles. It isn't therapy or medical care, and it is not intended to diagnose, treat, cure or prevent any disease. If fear or anxiety is affecting your daily life, check with your GP or a qualified professional.

    Related

    Working on this yourself? See Conquer Fear

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